Definition of Irishism in US English:

Irishism

noun

  • 1A statement which is manifestly self-contradictory or inconsistent.

  • 2A characteristically Irish word, phrase, or idiom. Also occasionally more generally: a characteristically Irish belief, attitude, or trait.

  • 3Chiefly depreciative. The fact or quality of being Irish; Irishness.

Origin

Early 18th century; earliest use found in Edward Ward (1667–1731), satirist. From Irish + -ism.

Pronunciation

Irishism

/ˈʌɪrɪʃɪz(ə)m/