smart as a whip


Also found in: Thesaurus, Idioms.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.smart as a whip - having or marked by unusual and impressive intelligence; "some men dislike brainy women"; "a brilliant mind"; "a brilliant solution to the problem"
intelligent - having the capacity for thought and reason especially to a high degree; "is there intelligent life in the universe?"; "an intelligent question"