irascible
1. [ adjective ] quickly aroused to anger
Synonyms: hotheaded hot-tempered quick-tempered short short-tempered choleric
Examples:

"a hotheaded commander"

Related terms: ill-natured
2. [ adjective ] quickly aroused to anger
Synonyms: hot-tempered hotheaded quick-tempered short short-tempered choleric
Examples:

"a hotheaded commander"

Related terms: ill-natured
3. [ adjective ] characterized by anger
Synonyms: choleric
Examples:

"a choleric outburst" "an irascible response"

Related terms: angry
Similar spelling:   irascibility