dumb as a post

adjective

Utterly mute; lacking the ability to speak.

Similar
addlebrainedaddlepatedairheadedbee-brainedbeef-wittedsoftbeefheadedbeetle-headed
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Meanings

adjectivedumb as a post (not comparable)
  1. idiomaticnot comparablesimileUtterly mute; lacking the ability to speak.
  2. not comparableExtremely stupid.

    Synonyms: addlebrained, addlepated, airheaded, bee-brained, beef-witted, soft, beefheaded, beetle-headed

Synonyms & antonyms

adjectiveExtremely stupid.

Similar
addlebrainedaddlepatedairheadedbee-brainedbeef-wittedsoftbeefheadedbeetle-headedbirdbrainedblockheadedBoeotianboneheadedboofheadedbraindeadbrainlessbubbleheadedbuffle-headedbullet-headedcerebrally challengedchildish
Also see
dumb as a stumpmutenot the sharpest tool in the shedstupid
Cite this entry
APA

dumb as a post. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/dumb%20as%20a%20post

MLA

“dumb as a post.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/dumb%20as%20a%20post. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “dumb as a post,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/dumb%20as%20a%20post.

Source: dumb as a post on Wiktionary, CC BY-SA 4.0.