stupid

Universal Words adjective, noun adjective (stupider, stupidest) HELPNOTE more stupid and most stupid are also common. 1 showing a lack of thought or good judgement SYNFOOLISH, SILLY: a stupid mistake / question / idea / joke * It was a pretty stupid thing to do. * I was stupid enough to believe him. * It was stupid of you to get involved. 2 (disapproving) (of a person) slow to learn or understand things; not clever or intelligent: He'll manage-he isn't stupid. * She always makes me feel really stupid. 3 [onlybeforenoun] (spoken) used to emphasize that you are annoyed with sb/sth: I can't get the stupid thing open! * Get your stupid feet off the chair! stupidly adverb: I stupidly agreed to lend him the money. * Todd stared stupidly at the screen. noun [sing.] (informal) if you call sb stupid, you are telling them, usually in a joking way, that you think they are not being very intelligent: Yes, stupid, it's you I'm talking to!