资料来源 : pyDict

无头脑的,愚笨的

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Brainless \Brain"less\, a.
   Without understanding; silly; thoughtless; witless. --
   {Brain"less*ness}, n.

资料来源 : WordNet®

brainless
     adj : not using intelligence [syn: {headless}]