stupid, dull, dense, crass, dumb mean lacking in power to absorb ideas or impressions. stupid implies a slow-witted or dazed state of mind that may be either congenital or temporary.

Stupidity is a lack of intelligence, understanding, reason, or wit, an inability to learn. It may be innate, assumed or reactive. The word stupid comes from the Latin word stupere. Stupid characters are …

STUPID definition: lacking ordinary quickness and keenness of mind; slow-witted. See examples of stupid used in a sentence.

STUPID definition: 1. silly or unwise; showing poor judgment or little intelligence: 2. annoying, or causing a…. Learn more.

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. I'll never do anything so stupid again. I made a stupid …

Slow to learn or understand; obtuse. 2. Tending to make poor decisions or careless mistakes. 3. Marked by a lack of intelligence or care; foolish or careless: a stupid mistake. 4. Dazed, stunned, or …

Definition of stupid adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

stu•pid /ˈstupɪd, ˈstyu-/ adj., -er, -est, n. lacking quickness and keenness of mind: a stupid person. characterized by or showing mental dullness: a stupid question. boring or dull, esp. due to lack of …

Stupid is an adjective used to describe someone or something that lacks intelligence, common sense, or is considered foolish or irrational. It is typically used to refer to actions, decisions, or behaviors that …

Mar 31, 2026 · Adjective stupid (comparative stupider or more stupid, superlative stupidest or most stupid) Without intelligence.