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

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

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

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

Sep 18, 2025 · Adjective mindless (comparative more mindless, superlative most mindless) Showing a lack of forethought or sense. Synonyms: brainless, unmindful, senseless, thoughtless Antonyms: …

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: mindless of all …

Mindless refers to an action or behavior carried out without thought, consideration, or care. It implies a lack of intellectual or rational thought, or being done mechanically or automatically.

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, like …

Mindless definition: Giving or showing little attention or care; heedless.