A1adverb1K

Off

UK /["/ɒf/"]/US /["/ɔːf/"]/

Definition

used to say that something has been removed or become separated

In simple words: Not on; away from something.

Examples

  • Please turn the lights off when you leave the room.
  • She was taken off the list for not following the rules.
  • The cat jumped off the table suddenly.
  • You can take the day off for personal reasons.
  • I accidentally turned the oven off while cooking.
  • He signed off on the project after reviewing it thoroughly.
  • The alarm went off in the middle of the night.
  • I need to take some time off to recharge.
  • The store is off down the street on the left.
  • He is often off in his own world, daydreaming.

Usage notes

Use 'off' when talking about something being not connected or not in operation. It's neutral and can be used in everyday conversation. Avoid in very formal writing.

Grammar pattern

standalone adverb

Memory hint

Think of 'off' as 'off the hook' — like leaving a phone or a job.

Collocations

  • turn off
  • take off
  • check off
  • sign off
  • log off

Synonyms

  • offstage

Antonyms

  • on
  • active
  • engaged

Common mistakes

  • 'Off' can be confused with 'of' in spoken English.
  • Learners may forget to use it in phrasal verbs like 'turn off'.
  • Misplace 'off' in sentences, such as 'I am off to the store.' instead of 'I am going off to the store.'