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

Stupid, ignorant, and unintelligent are all used to refer to people or things that seem to show a lack of mental resources. Stupid is the most general and most insulting term, and can describe someone …

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 …

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 …

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 …

Jan 20, 2026 · Adjective stupid (comparative stupider or more stupid, superlative stupidest or most stupid) Without intelligence.

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 …

Stupid definition: Slow to learn or understand; obtuse.

STUPID meaning: 1 : not intelligent having or showing a lack of ability to learn and understand things; 2 : not sensible or logical foolish