crook
Proposed by a contributor, not yet supported by evidence.
Sense 1
Meaning · English
Bad, unsatisfactory, not up to standard.
Register: slang
Where it’s used:
Used
Australian English
Examples
That work you did on my car is crook, mate.
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).
Sense 2
Meaning · English
Ill, sick.
Register: slang
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Sense 3
Meaning · English
Annoyed, angry; upset.
Register: slang
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “crook” mean?
Bad, unsatisfactory, not up to standard.
Is “crook” formal or informal?
crook is generally slang.