gullible Antonyms

very sophisticated as clever as a cartload of monkeys as sharp as a needle agile enough insightful akamai untrusting knowledgeable avant-garde wise as clever as a wagonload of monkeys as cunning as a cartload of monkeys really sophisticated particularly sophisticated most sophisticated highly sophisticated extremely sophisticated awfully clever as tricky as a monkey as sly as a fox as cunning as a fox wary unbelieving clear-sighted capable canny brilliant bright brainy blue blameworthy astute cunning discerning suspicious suspecting smart skeptical shrewd mistrustful incredulous doubting distrustful agile