updates / April 07, 2026 Definitions of have at - OneLook Definitions from Wiktionary (have at)▸ verb: (transitive, idiomatic, archaic) To attack; to engage in combat with.▸ verb: (transitive, figurative) To take on; to begin dealing with.attack, play at, attempt, do battle, make head against, undertake, combat, fight, set about, go for, more...▸ Words similar to have at▸ Usage examples for have at▸ Idioms related to have at▸ Civic discussion about have at (New!)▸ Words that often appear near have at▸ Rhymes of have at▸ Invented words related to have at