iracundus

Iracundus is a Latin adjective meaning irascible or irritable, describing someone prone to anger or quick to temper. In classical Latin literature, iracundus characterizes a choleric or hot-tempered disposition and is often contrasted with more placid or calm temperaments.

Etymology and form: iracundus derives from ira, anger, with the adjectival suffix -undus, which denotes propensity or suitability. The masculine form is iracundus, with feminine iracunda and neuter iracundum in Latin grammar.

Usage in English: in modern English, iracundus is rare and typically encountered only in linguistic, philological, or scholarly discussions of Latin. When translating or describing temperament in English, common equivalents are irascible, irritable, or quick-tempered. Some dictionaries also note iracund as an archaic or literary English term derived from the same root.

See also: irascibility, temperament, Latin grammar, and etymology of Latin adjectives formed with the suffix -undus. The term is primarily of historical or linguistic interest rather than a living term in contemporary vocabulary.