slower Antonyms

less inexperienced less moronic less mindless less lamebrained less knuckleheaded less illiterate less gormless less fatuous less empty-headed less dunderheaded less dopey less oafish less pinheaded less unschooled more learned less wooden less vapid less inept less idiotic adroiter more knowing less improvident more intelligent more ingenious less doltish less dim-witted less credulous brighter cleverer quicker zipper brainier sharper prompter keener FASTER accelerator astuter less clueless less incognizant less chuckleheaded less bubbleheaded less brainless less boneheaded less birdbrained less analphabetic less airheaded more brilliant less unintelligent less uninstructed