off

/ɒf/
prepositionadverbadjectiveBeginner
general

away from a place or position

The plane took off from the runway.

The plane left the runway.

He took his shoes off before entering the house.

He removed his shoes before entering the house.

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Often used with verbs like 'take', 'go', 'put', 'turn', or 'switch'.

general

not operating or functioning

The power is off in the building.

The power is not functioning in the building.

The computer is off.

The computer is not operating.

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Used to describe something that is not in use or active.

general

not working or employed

He is off work today.

He is not working today.

She is off duty.

She is not on duty.

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Used to describe someone who is not currently working or on duty.

general

not correct or accurate

Your answer is off by a mile.

Your answer is not correct.

The clock is off by five minutes.

The clock is not accurate.

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Used to describe something that is incorrect or inaccurate.

informal

not in a good mood or not feeling well

He is off his food today.

He is not feeling well and not eating.

She is off color.

She is not feeling well.

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Used informally to describe someone who is not feeling well or is in a bad mood.

Collocations

take offto remove something, such as clothing or shoesput offto postpone or delay somethingturn offto switch something off or to stop it from operatingswitch offto turn something off or to stop it from operatinggo offto leave a place or to explodecome offto happen or to be removedget offto leave a place or to escape from somethingcall offto cancel somethingset offto start a journey or to cause something to explodetake offto become successful or popular

Synonyms

Antonyms

Related Phrases

off and onphrase
intermittently or occasionally
off the recordphrase
not to be officially reported or recorded
off the hookphrase
no longer responsible or obligated
off the wallphrase
unusual or eccentric
off the top of my headphrase
without prior thought or preparation

💡Pro Tip

Common Collocations

Remember common collocations with 'off' such as 'take off', 'put off', 'turn off', and 'switch off'.

Context Matters

The meaning of 'off' can vary depending on the context. Pay attention to the verb it is used with.

Informal Usage

In informal contexts, 'off' can describe someone who is not feeling well or is in a bad mood.

📖Word Origin

From Middle English 'of', from Old English 'of', meaning 'away from'.

📝Usage Notes

The word 'off' is a versatile preposition, adverb, and adjective. It is often used with verbs like 'take', 'go', 'put', 'turn', or 'switch'. It can describe physical movement, the state of something not operating, or a state of not feeling well.

English Dictionary