The meaning of MINDLESS is marked by a lack of mind or consciousness. How to use mindless in a sentence.

Easiness and simplicity (Definition of mindless from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

1. showing, using, or requiring no intelligence or thought. 2. unmindful; heedless: mindless of all dangers.

Sep 18, 2025 · mindless (comparative more mindless, superlative most mindless) An act of mindless violence.

If you describe a person or group as mindless, you mean that they are stupid or do not think about what they are doing.

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

WordReference Random House Unabridged Dictionary of American English © 2025 mind•less (mīnd′ lis), adj. without intelligence; senseless: a mindless creature. unmindful or heedless: …

If something's careless or lacks reason, you can describe it as mindless, like the casual, mindless violence on a TV show. A mindless task is one that you can do without even thinking about it, …

Synonyms for MINDLESS: dumb, stupid, slow, simple, thick, dense, brainless, dull; Antonyms of MINDLESS: intelligent, quick, brilliant, clever, smart, fast, sharp, ingenious

He seemed to be completely mindless of the danger he was facing. She was mindless of her appearance.