Jack of all trades and master of none
Proposed by a contributor, not yet supported by evidence.
Meaning · English
Someone with many skills, but no expertise in any area
Literally: a person who can do many things
Examples
He's a jack of all trades and master of none, always taking on new projects
AI-drafted example auto-approved by rule (illustrative, not a corpus attestation)
Sources & notes
Listed on English Wikiquote “English proverbs” (CC BY-SA 4.0, retrieved 2026-07-31). Definition drafted by AI (@cf/meta/llama-3.3-70b-instruct-fp8-fast) and auto-approved by rule on 2026-08-01; pending editor spot-check.
Common questions
What does “Jack of all trades and master of none” mean?
Someone with many skills, but no expertise in any area Literally: a person who can do many things
Is “Jack of all trades and master of none” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.