Air-condition vs Chill

When to use each in English, with meaning, register, and examples.

Air-condition

Top 5,000 (fairly common)

Chill

InformalTop 2,000 (common)
Most formal: Air-conditionMost common: Chill
 Air-conditionChill
Pronunciation🇬🇧 //ˌeə.kənˈdɪʃ.ən//🇺🇸 //ˌɛr.kənˈdɪʃ.ən//🇬🇧 //tʃɪl//🇺🇸 //tʃɪl//
MeaningA machine that cools or heats the air in a room.To relax or calm down.
ExampleI need to air-condition the living room for the party.Let's chill at my place this weekend.
RegisterNeutralInformal
How commonTop 5,000 (fairly common)Top 2,000 (common)
Collocationsair-condition a space, air-condition the room, air-condition an officechill out, just chill, chill vibes, chill time, chill with friends
Antonymsheat, warm-
Common mistakesIncorrectly spelled as 'aircondition', Using it as a noun instead of a verb, e.g. 'We air-condition the room.' instead of 'We air-conditioned the room.', Confusing with 'ventilate' which has different meanings.Confusing with 'chilly' which means cool or cold., Using 'chill' in formal contexts like business emails., Misusing 'chill' as a noun instead of a verb.
Usage notesCommonly used in everyday conversation. Avoid in very formal writing.Use 'chill' in casual conversations. It's informal and not suitable for formal writing or meetings.

See it in real clips

Air-condition
Chill

Frequently asked questions: Air-condition vs Chill

What's the difference between Air-condition and Chill?

Air-condition: A machine that cools or heats the air in a room. Chill: To relax or calm down.

Which is more formal: Air-condition and Chill?

Air-condition is the most formal of these.

Which is more common: Air-condition and Chill?

Chill is the most common in everyday English.

Can you show an example of each?

Air-condition: I need to air-condition the living room for the party. Chill: Let's chill at my place this weekend.

Can I use Air-condition and Chill interchangeably?

Not always. Air-condition and Chill are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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