vacuous Antonyms

as smart as a whip talented smart sharp sagacious resourceful rational quick-witted quick proficient piquant savvy knowledgeable quick-thinking as sharp as a tack as sharp as a razor able to understand quickly mentally acute extremely clever able to think quickly as sharp as a needle agile enough whip-smart scholared perceptive nimble knowing canny busy brimming brilliant bright brainy aware astute alert acute clever educated FAST knoll keen inventive intuitive intelligent intellectual ingenious gifted genius full