adjective
irascible
i-RAS-uh-bul/ɪˈræsəbl/
Quick to become angry.
Our irascible neighbor gets angry over the smallest noise.

Etymology
The verb means “to be angry,” but the adjective describes a disposition rather than a passing mood: an irascible person is readily stirred to anger.
In context
this irascible musically brilliant politically courageous and shy force of nature
More examples
- Lack of sleep makes him more irascible than usual.
- The irascible chef snaps at anyone who interrupts her.
- Despite his irascible nature, my uncle is generous and loyal.
Forms
irascible · more irascible · most irascible
irascibility noun — A tendency to become angry easily.