feather in one's cap
Proposed by a contributor, not yet supported by evidence.
Meaning · English
An achievement or accomplishment to be proud of
Literally: a feather worn in a hat as a symbol of honor
Where it’s used:
Used
Widespread English
Examples
She got a promotion, which is a feather in her cap
AI-drafted example auto-approved by rule (illustrative, not a corpus attestation)
Sources & notes
Listed in Wiktionary’s “English idioms” category (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.
Common questions
What does “feather in one's cap” mean?
An achievement or accomplishment to be proud of Literally: a feather worn in a hat as a symbol of honor
Is “feather in one's cap” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.