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.

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.

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, …

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 …

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 …

Jan 14, 2026 · Adjective stupid (comparative stupider or more stupid, superlative stupidest or most stupid) Without intelligence.

The word comes from a Latin adjective that means “amazed or stunned,” and stupid people are stunned by everything because their minds are numb. You can make a stupid mistake when …

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 …