screwy Antonyms

showing great knowledge knowledgeable workaday wise standard stable sound sober shrewd sharp-witted sharp all there commonsensical compos mentis full of common sense highly educated able to think clearly awfully clever sharp as a needle as sharp as a needle of sound mind in one's right mind insightful enlightened sensible sane genius coherent clever clear-headed canny brilliant brainy balanced average astute intelligent judicious logical sagacious right-minded reasonable rational prudent prosaic practical perceptive normal lucid acute