irascible

adjective

Prone to outbursts of temper; easily angered.

Characterized by or resulting from anger.

Susceptible of anger; easily provoked or inflamed with resentment; choleric.

Excited by or arising from anger; manifesting a state of anger or resentment.

Synonyms Irascible, Irritable, Passionate, hasty, touchy, testy, splenetic, snappish, peppery, fiery, choleric. Irascible indicates quicker and more intense bursts of anger than irritable, and less powerful, lasting, or manifest bursts than passionate.