mad as a hornet
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
Extremely angry
Register: informal
Where it’s used:
Used
American English
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “mad as a hornet” mean?
Extremely angry
Is “mad as a hornet” formal or informal?
mad as a hornet is generally informal.