English · Proverb Candidate

let your hair down

Proposed by a contributor, not yet supported by evidence.

Also seen as: let one's hair down

Sense 1

Both English Tiếng Việt

Meaning · English

Relax and be yourself

Nghĩa · Tiếng Việt

Thư giãn và là chính mình

Machine-translated — suggest a fix

Literally: remove a hairstyle restraint

Where it’s used: Used Widespread English

Examples

‘ It's only when you let your hair down that others can see the real person hiding under the hat.

I think you really ought to let your hair down and become one horny bitch!

British National Corpus sentence via the MAGPIE corpus (CC BY 4.0, retrieved 2026-07-30)

Sources & notes

Listed on Wikipedia “List of proverbial phrases” (CC BY-SA 4.0, retrieved 2026-07-29); definition pending editorial review. Definition drafted by AI (@cf/meta/llama-3.3-70b-instruct-fp8-fast) and auto-approved by rule on 2026-07-30; pending editor spot-check.

Sense 2

Meaning · English

Recognized English idiom; full definition pending editorial review.

Where it’s used: Used Widespread English

Sources & notes

Listed in Wiktionary’s “English idioms” category (retrieved 2026-07-29); definition pending editorial review.

Topics: Hair

Common questions

What does “let your hair down” mean?

Relax and be yourself Literally: remove a hairstyle restraint

Is “let your hair down” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.