1 C1 idiomatic slang
To relax and stop being tense, worried, or excited.
"Just cool out — the results won't be posted until tomorrow."
inseparable
cool out
C1 slang separable transitive/intransitive
To relax, calm down, or to calm someone else down; chiefly informal American English.
In plain English
To relax and stop being stressed or excited, or to help someone else do so.
What does "cool out" mean?
2 meanings, ordered from most common to least. Color-coded by CEFR level.
2 C1 idiomatic slang
To calm someone else down or defuse a tense situation.
"The manager stepped in to cool out the arguing customers."
separable
Literal vs figurative
Words literally mean
To cool until completely cooled out.
Actually means
To relax and stop being stressed or excited, or to help someone else do so.
Usage tip
Primarily American informal/slang. Less common than 'chill out' or 'cool off.' Can be used both reflexively ('cool out') and transitively ('cool someone out'). Has some currency in African American Vernacular English (AAVE) and in music culture.
Words that pair with "cool out"
Natural word combinations native speakers use most often.
situation crowd temper nerves
How to conjugate "cool out"
The five tense forms you'll use most often.
Base
cool out
I/you/we/they
3rd person
cools out
he/she/it
Past simple
cooled out
yesterday
Past participle
cooled out
have + pp
-ing form
cooling out
continuous
Hear "cool out" in the wild
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Other ways to say "cool out"
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Keep exploring
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