Phrasal verb
Lock out
What does lock out mean?
Lock out means to prevent someone from entering a place or accessing a digital account, device, or system. The barrier may be a physical lock, an automatic latch, or a security rule that stops sign-in attempts.
Key points
- You can place noun objects after the verb or after out, but pronouns like me, us, and them must sit between lock and out.
- When naming the specific room or system, add the preposition of directly before that noun.
Can you use "Lock out" yourself?
This lesson has 5 stages. You can stop at any time and continue later.
Stage 1 of 5
Understand
What it means, when to use it, and mistakes to avoid.
Examples
The security system will lock users out after three failed password attempts.
Why it works: The noun users sits between lock and out to show who loses access.
2 more examples
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I accidentally locked myself out of the apartment before breakfast.
The reflexive pronoun myself shows the speaker caused and suffered the lockout.
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A faulty latch locked us out of the meeting room this morning.
The pronoun us sits inside the verb phrase, followed by of and the room name.
Read the full guide
Decide When Access Is Blocked
You step into the office corridor to answer a call, and the door clicks shut with your entry card still on your desk. A colleague answers your message: you need to explain why you cannot get back in. You use lock out because a barrier stops you from returning inside. This phrasal verb means to prevent someone from entering a space or using a system. The event can happen accidentally through a spring latch, or deliberately when security rules block entry.
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The self-closing fire door clicked shut and locked me out.
Why it works: The physical door acts as the barrier keeping the speaker outside.
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The security software locked the administrator out of the server.
Why it works: The software deliberately blocked digital entry after a suspicious alert.
Your turn
Which situation correctly calls for the phrasal verb lock out?
Answer: A person steps into the hallway and the apartment door latches behind them without keys.
Show the answer
Answer: A person steps into the hallway and the apartment door latches behind them without keys.
Lock out requires an obstacle or closed barrier that stops someone from entering a location or system they need to access.
Report an Office Door Problem
When an access problem happens at work, you must explain who is stranded before asking for assistance. Stating the exact barrier allows coworkers to respond quickly. In this conversation, Sam is stuck outside the department suite and contacts Maya to request immediate help: Sam explains, 'Hi Maya, the hallway door swung shut and locked me out while I answered a phone call.' Maya replies, 'Do not worry, Sam. I will walk over to the corridor and open the latch from inside.'
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The hallway door swung shut and locked me out while I answered a phone call.
Why it works: The speaker clearly identifies the barrier and the affected person.
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I will walk over to the corridor and open the latch from inside.
Why it works: The coworker offers an immediate physical solution to unlock the door.
This also comes up in Reporting a home repair and Blow away.
Your turn
In an office door emergency, why does the speaker say 'locked me out' instead of just 'locked the door'?
Answer: Because adding me out identifies the speaker as the person trapped outside.
Show the answer
Answer: Because adding me out identifies the speaker as the person trapped outside.
Adding the pronoun me before out clarifies who cannot get through the locked entrance.
Place Pronouns Inside the Phrasal Verb
The phrasal verb lock out is separable with full nouns, meaning the object can sit either between the two words or after them. You can say lock the visitors out or lock out the visitors. However, with pronouns like me, you, him, her, us, and them, the pronoun must always stand in the middle. Saying lock out them or lock out me is an error in English grammar. If you name the room, building, or digital system, place the preposition of immediately after out.
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The receptionist locked the visitors out by mistake.
Why it works: The full noun phrase the visitors can sit between the verb and out.
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The security guard saw the visitors and locked them out.
Why it works: The pronoun them must sit directly between locked and out.
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A server glitch locked our team out of the database.
Why it works: The preposition of links the blocked users to the named digital system.
Your turn
Which sentence uses the correct word order for an object pronoun?
Answer: The automatic security gate locked us out after five o'clock.
Show the answer
Answer: The automatic security gate locked us out after five o'clock.
Object pronouns such as us must stand directly between locked and out, never after out.
Choose Between an Action and a State
When your own mistake causes the problem, use a reflexive pronoun like myself or ourselves. Saying I locked myself out indicates that your own action left you on the wrong side of the door. If you only want to describe your current situation without focusing on fault, use the state form I am locked out or the event form I got locked out. The verb follows standard regular forms: lock, locks, locking, and locked. You can ask colleagues Are you locked out? or warn friends Don't lock yourself out.
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I locked myself out when I walked out without my keys.
Why it works: The speaker is responsible for causing the access problem.
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We got locked out while waiting for the delivery driver.
Why it works: Got locked out describes the moment access was blocked without assigning blame.
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Don't lock yourself out before the evening cleaners leave.
Why it works: A standard warning using the reflexive pronoun yourself.
Your turn
What does a speaker emphasize by saying 'I locked myself out' instead of 'I am locked out'?
Answer: The speaker caused their own access problem through their own actions.
Show the answer
Answer: The speaker caused their own access problem through their own actions.
Using myself shows that the subject and object are the same person, confirming the speaker caused the situation.
Separate Lock Out from Log Out and Lock In
Learners often confuse locked out with two related terms. Being logged out simply means your active computer session ended, and you can normally enter your password to return. Being locked out of an account means the system actively refuses your credentials, usually after multiple failed attempts or a security freeze. Meanwhile, locked in means you are trapped inside a room and cannot exit. Merely standing outside does not make you locked out unless an obstacle stops you from entering when you need to.
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The banking application logged me out after ten minutes of inactivity.
Why it works: A routine session end where the user can immediately log back in.
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I entered the wrong passcode four times and locked myself out of the app.
Why it works: The account is now frozen and refuses further sign-in attempts.
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The fire door jammed and locked the maintenance staff in the basement.
Why it works: Locked in means the staff cannot exit the basement.
Your turn
If a website ends your session after five minutes of silence, what happened?
Answer: The website logged you out, but you can enter your details again.
Show the answer
Answer: The website logged you out, but you can enter your details again.
Logging out ends an active session without placing a security block on your credentials.
Distinguish the Two-Word Verb from the Noun
Keep lock out as two separate words whenever you use it as an action. When written as a single compound word, lockout functions as a noun. In employment news, a lockout refers to a management decision that prevents staff from entering a workplace during a contractual dispute. In everyday situations, lock out remains ordinary, neutral English. Occasionally, writers use it figuratively to describe people who are locked out of opportunities, meaning social or financial barriers prevent them from participating fully.
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The factory owner declared a lockout after talks broke down.
Why it works: Lockout as one word is a noun referring to the industrial action.
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Careless handling will lock out staff members at the weekend.
Why it works: Lock out as two words functions as the active verb phrase.
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Unqualified candidates felt locked out of high-paying tech jobs.
Why it works: A figurative use meaning prevented from accessing good positions.
Your turn
Which sentence uses the correct spelling for an action happening right now?
Answer: A sudden system error will lock out several remote workers today.
Show the answer
Answer: A sudden system error will lock out several remote workers today.
The verbal phrase requires two separate words: the modal will must be followed by the base verb lock out.
Hear Linked Sounds and Weak Words
When native speakers say locked out, the past ending -ed produces a clean /t/ sound rather than an extra syllable. Because the following word begins with a vowel, this /t/ sound links smoothly across the word boundary, sounding like lock-tout. When of follows, speakers reduce it to a short weak syllable, yet you must always spell out of with two words in writing. Be careful not to confuse locked out with logged out: logged ends in voiced /g/ and /d/ sounds rather than the voiceless /k/ and /t/ in locked. For related listening review on describing items left behind, consult /micro-listenings/4-2/.
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He locked out every unauthorized user.
Why it works: The /t/ at the end of locked links directly to the vowel in out.
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They were locked out of the studio during lunch.
Why it works: The word of has a weak vowel sound in speech but remains necessary in spelling.
Your turn
How does the past form 'locked' connect to 'out' in natural spoken English?
Answer: The final /t/ sound connects smoothly to the vowel, sounding like lock-tout.
Show the answer
Answer: The final /t/ sound connects smoothly to the vowel, sounding like lock-tout.
Regular verbs ending in voiceless sounds like /k/ take a /t/ sound for -ed, which links directly to the next vowel sound.
Repair Word Order in New Situations
To consolidate your control of this phrasal verb, practice fixing common placement errors in new contexts. Always verify that object pronouns sit inside the verb phrase, and check whether your context describes an active lockout or a simple sign-out event. If you need to refresh how verbs combine with other structures, check /grammar/gerunds-and-infinitives-1-stop-try-remember-need/. Applying these rules to different access scenarios ensures you communicate clearly whenever keys, cards, or digital credentials fail.
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Incorrect: The gym app locked out me after one bad attempt.
Why it works: The pronoun me must sit before out: The gym app locked me out.
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Correct: The hotel room door clicked and locked us out on the balcony.
Why it works: The pronoun us sits in the middle, and on the balcony names the location.
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Correct: The portal logged her out when the timer expired.
Why it works: Logged out is selected because the session ended normally without a block.
Your turn
Which sentence correctly repairs the error in 'The hotel door locked out them'?
Answer: The hotel door locked them out.
Show the answer
Answer: The hotel door locked them out.
The pronoun them must move between locked and out.
Use it naturally
How people really use “lock out”
Neutral Fine almost anywhere, at work or with friends.
Words it often goes with
- accidentally locked myself outI accidentally locked myself out when I went to get the mail.
- locked out of my accountI was locked out of my account after entering the wrong password.
- get locked outTake your key so you don't get locked out.
What people also say
- “I locked myself out.” instead of “I locked out myself.” Put myself between lock and out.
- “I'm locked out.” instead of “I cannot enter because the door is locked and I have no key.” Use this short form to describe your current situation.
Related forms
- lockout nounThe account lockout lasted fifteen minutes.
- lock nounThe key would not turn in the lock.
Questions about "Lock out"
What does lock out mean?
Lock out means to prevent a person from entering a physical space or accessing a digital account, system, or device. It occurs when an external obstacle like a locked door, a security rule, or an expired password stops someone from crossing an entry boundary.
The automatic latch locked the staff members out of the conference room.
Is it lock me out or lock out me?
You must always say lock me out. When the object is a pronoun such as me, you, him, her, us, or them, it must stand between the verb lock and the particle out. Placing a pronoun after out is incorrect in English.
Please hold the door so you do not lock us out.
Do I say locked out of my account?
Yes, you use the preposition of when you name the specific place, computer program, or account that you cannot enter. If the context makes the location obvious to the listener, you can omit of and the noun.
After five bad login tries, the software locked him out of his email.
What's the difference between I locked myself out and I'm locked out?
I locked myself out emphasizes that your own action caused the problem, such as leaving your keys inside. In contrast, I am locked out simply describes your present state of being unable to enter, regardless of who caused it or why.
I locked myself out because I forgot my badge on the desk.
I am locked out because the building security system failed.
Is locked out the same as logged out?
No, they have different meanings. Logged out means an active computer session finished normally, and you can usually sign in again right away. Locked out means the security system is actively refusing your credentials, requiring recovery steps.
The website logged me out after fifteen minutes of inactivity.
The security shield locked me out after I mistyped my pin.
Should I write lock out or lockout?
Write lock out as two words when you describe an action or use it as a verb. Write lockout as a single word when using it as a noun, such as an employer shutting workers out of a job site during an industrial dispute.
Do not lock out the evening shift by mistake.
The ongoing labor dispute led to a two-week lockout at the plant.
Before you go
Remember this
Place personal pronouns directly between lock and out, use of before the closed space or locked system, and remember that logging out ends an active session whereas locking out prevents access entirely.
Stage 2 of 5
Listen
Hear it in real sentences, from short to long, and write what you hear.
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- I accidentally locked myself out of the apartment before breakfast.
- A faulty latch locked us out of the meeting room this morning.
Listening 2 of 4
Listen, then type what you hear. Replay as often as you need.
0:00
- I accidentally locked myself out of the apartment before breakfast.
- A faulty latch locked us out of the meeting room this morning.
Try a longer clip. Listen once, then replay the part you missed.
Listening 3 of 4
Listen, then type what you hear. Replay as often as you need.
0:00
- I accidentally locked myself out of the apartment before breakfast.
- A faulty latch locked us out of the meeting room this morning.
This clip is longer. Follow the instruction above the answer field.
Listening 4 of 4
Listen, then type the missing words. The rest of the text is already there.
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- I accidentally locked myself out of the apartment before breakfast.
- A faulty latch locked us out of the meeting room this morning.
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Save my progressStage 3 of 5
Speak
Say it with the speaker, then use it in your own answer.
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Play the line slowly, then speak at the same time as the speaker. Copy the rhythm, not just the words.
Your turn
Say it your way
Speak for 30 to 60 seconds from memory. You are organizing soccer practice at a public field with a gate that locks automatically. Explain your plan to a teammate so everyone can enter and collect their things before the gate closes.
Use: lock me out locked us out
Take ten seconds to think, then answer out loud without looking at the lesson. Speak for the time shown in the task above. Nothing is sent unless you ask for feedback.
0:00
Hear how someone else might say it
We need a plan for the field gate tonight. Last week, the automatic gate locked us out before practice started, and we waited twenty minutes for help. This time, I'll collect the key from the sports center first. Please don't lock me out while I get the balls from my car. You can meet everyone at the entrance and check their names. After practice, we'll check the field together. Before we close the gate, let's make sure everyone has their bags and jackets.
Try once more and answer this: Who will keep the gate key during practice?
Stage 4 of 5
Write
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Write
Put it in your own words
- I used “lock out”.
- It is about my life, not the lesson’s example.
- I read it once aloud to check it sounds right.
Write your own response
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