dumb as a post

Adjective

Meaning

(simile, idiomatic) Utterly mute; lacking the ability to speak.

Extremely stupid.
Synonyms: see Thesaurus:stupid

Source: en.wiktionary.org

Synonyms

mentally retarded hebete

Antonyms

able capable academic cerebral literate cunning
Show all antonyms

Close letter words and terms

dumb as a brick dumb as a doorknob dumb as a doornail dumb as a rock dumb as a sack of hammers dumb as a stick