The meaning of BRAINLESS is devoid of intelligence : stupid. How to use brainless in a sentence.

BRAINLESS definition: mentally weak; foolish; witless; stupid. See examples of brainless used in a sentence.

The brainless bird can not build anything, attack, or board the rescue helicopter.

May 28, 2025 · brainless (comparative more brainless, superlative most brainless) Surely it was more likely that a brainless creature, acting solely by vague predatory instinct, would give up …

If you describe someone or something as brainless, you mean that you think they are stupid.

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

Define brainless. brainless synonyms, brainless pronunciation, brainless translation, English dictionary definition of brainless. adj. Unintelligent; stupid. brain′less·ly adv. brain′less·ness n. …