irascible

Definitions

Having or showing a tendency to be easily angered.

Characterized by or arising from a quick-tempered or irritable nature.

Examples

The irascible old man was known for shouting at anyone who walked too close to his garden fence.

Despite his irascible temperament, he was a brilliant professor who cared deeply about his students' success.

Synonyms

irritable short-tempered cranky testy peevish waspish choleric

Antonyms

even-tempered calm placid patient serene good-natured affable