Synonyms of the word

brainless

• adj. (not comparable) Having no brain.
• adj. (comparable) Unintelligent, with little common sense.

headless

• adj. Without a head; decapitated.
• adj. Without leadership.
• adj. (linguistics, of a phrase or compound) Not having a head morpheme or word.
• adj. (computing) Running without a graphical user interface; running without any attached output device (e…
• adj. (of beer) Without a head of foam.
• adj. (obsolete) Heedless.

stupid

• adj. Lacking in intelligence or exhibiting the quality of having been done by someone lacking in intelligence.
• adj. To the point of stupor.
• adj. (archaic) Characterized by or in a state of stupor; paralysed.
• adj. (archaic) Lacking sensation; inanimate; destitute of consciousness; insensate.
• adj. (slang) Amazing.
• adj. (slang) damn, annoying, darn.
• adv. (slang, dated) Extremely.
• n. A stupid person; a fool.
• n. (colloquial, uncountable) The state or condition of being stupid.

unintelligent

• adj. Not intelligent.