If you're irascible, you get angry easily — perhaps blowing up in rage when someone brushes into you.

Irascible comes from the Latin root ira, which means "anger" or "rage," the same root that gives us the word ire, "anger." The -sc in the middle of irascible, means "becoming," so irascible doesn't just mean you're angry — it's got action built into it. If you're looking for a fight most of the time, then you're irascible — ready for the spark that's going to set you on fire.

Definitions of irascible

adj quickly aroused to anger

choleric, hot-tempered, hotheaded, quick-tempered, short-tempered
having an irritable and unpleasant disposition

adj characterized by anger

“an irascible response”
feeling or showing anger

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