What is the Latin word for brainless?

The usual Latin words for “brainless” are dēmō, fatuus, stolidus; also dēsipiō, vēcors. The right choice depends on the sense; see the distinctions below.

English → Latin

“brainless” in Latin

dēmōto remove, take away, or subtract; to withhold, take away, subtract from fatuusfoolish, silly, simple, stupid; insipid, tasteless; awkward, clumsy, unwieldy stolidusstupid, foolish dēsipiōto be foolish (or act foolishly), fool around, clown around; to rave, be delirious vēcorsmad, insane, crazy

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

brainless

demens, fatuus, stolidus, desipiens, vecors. He is a brainless fellow, cerebrum non habet.

Quick answer

What is the Latin word for brainless?: The usual Latin words for “brainless” are dēmō, fatuus, stolidus; also dēsipiō, vēcors. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.