Synonyms of 'stupid'
- unintelligent, brainless, dense, dim, dumb (informal), half-witted, moronic, obtuse, simple, simple-minded, slow, slow-witted, thick
- foolish, asinine, bonkers (informal), daft (informal), idiotic, imbecilic, inane, nonsensical, pointless, rash, senseless, unintelligent
- dazed, groggy, insensate, semiconscious, stunned, stupefied
Thesaurus for stupid from the Collins American English Thesaurus
If you say that someone or something is stupid , you mean that they show a lack of good judgment or intelligence and they are not at all sensible .