smooth-brained

== English == === Adjective === smooth-brained (comparative more smooth-brained, superlative most smooth-brained) (of an animal) Having a brain which is naturally smooth in appearance. (of a human) Lissencephalic; having a brain which lacks convolutions due to malformation. (slang, derogatory) Stupid, foolish; ignorant. Synonyms: see Thesaurus:stupid For more quotations using this term, see Citations:smooth-brained. ==== Derived terms ==== smooth brain