Turn up

When you hear or read the phrasal verb turn up, you must first notice whether an object follows the verb. When someone arrives at an event or an appointment, the verb stands alone without a direct object. When someone changes the volume on a speaker or increases heat on a thermostat, an object always follows the verb. Identifying whether a sentence discusses people or physical equipment prevents immediate confusion in daily conversations.

Native speakers frequently select turn up instead of simply using arrive when the appearance is unexpected, delayed, or surprising. You can use this verb when a friend arrives without sending a message beforehand, or when an invited guest appears much later than planned. Notice that you add prepositions like at or for when you name a specific place or event, such as turning up at a diner or turning up for an interview.

This also comes up in Turn down and Bump into.

Beyond people, physical objects can also turn up. English speakers use this pattern when something missing is found or reappears, often unexpectedly. The item itself serves as the subject of the sentence, not the direct object. If you misplace your passport and spot it behind a bookshelf three days later, your passport turned up. This usage emphasizes the discovery rather than the effort of searching.

When turn up relates to mechanical devices, household appliances, or sound systems, it means to raise the level or output. You can use it with volume, heat, speed, or brightness. Because this phrasal verb is transitive in this context, it requires an object. You can place a full noun either after the complete phrase or between the verb and the particle, giving you two equally correct options in daily speech.

With separable turn up, put an unstressed personal pronoun such as it or them between turn and up. Saying turn up it is the wrong order for this pattern. Keep this order in questions and instructions too.

Understanding opposites depends on which meaning of turn up you intend. When adjusting equipment, the direct opposite of turn up is turn down, which means to lower volume, heat, or intensity. However, when talking about people arriving, you cannot simply use turn down to mean leaving. For departures or non-arrivals, use verbs like leave, depart, or fail to show up. Remembering this distinction prevents confusion between adjusting settings and tracking attendance.

It is easy to confuse turn up with related verbs like turn on and turn out. Turn on means activating a machine from an off state, while turn up increases a machine that is already running. Turn out describes how an event develops or ends, such as a gathering turning out well. Meanwhile, show up is an informal synonym for turn up when describing people arriving, but show up cannot be used to raise the volume on your television.

In natural spoken English, the consonant sound at the end of turn links smoothly to the vowel sound in up, producing the connected sound tur-nup. When the verb means arriving or appearing, the particle up usually carries stronger sentence stress than turn. When used with an equipment object in the middle, such as turn it up, the word up receives primary emphasis, while it remains quick and unstressed. Listening for this rhythm helps you catch the phrase during rapid conversations.