mad
In real, traceable use. Part of the curated seed collection; community review is coming.
Sense 1
Meaning · English
Insane; crazy, mentally deranged.
Examples
You want to spend a thousand pounds on a pair of shoes? Are you mad?
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
Angry, annoyed.
Register: informal
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Sense 3
Meaning · English
Used litotically to indicate satisfaction or approval.
Register: informal
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “mad” mean?
Insane; crazy, mentally deranged.
Is “mad” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.