let off steam
Say it: let off STEEM /ˌlɛt ɒf ˈstiːm/ · idiom
What “let off steam” means
Release built-up energy, anger or stress.
More precisely: To release pent-up energy or strong emotions.
Example: “A boxing class is how I let off steam after a bad day.”
When to use it
When someone needs an outlet for stress or strong feelings. Informal, often about exercise, talking or having fun.
Memory trick
Picture pressure escaping from a steaming kettle as your own tension eases.
Similar words
unwind, vent, blow off steam
Where it comes from
From steam engines releasing excess pressure through a valve.
Quick check
After a frustrating meeting, you go for a fast run and feel calmer afterwards. Which phrase fits?
bottle it up or let off steam?
Show the answer
let off steam
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