mustard
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
Very good, or very skilled.
Register: slang
Where it’s used:
Used
American English
Examples
My expectations of public services were nil, so any time within a month was fine by me. They did it in less than a week, which was mustard.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “mustard” mean?
Very good, or very skilled.
Is “mustard” formal or informal?
mustard is generally slang.