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dumb as a post

dumb as a post

3 9.9
Very slow to understand or react
  • idiom
  • Offensive
translation icon : más tonto que una puerta
  • I am 100% certain you are dumb as a post alongside the road.

Examples

  • But sometimes when confronted with your ordinary dumb-as-a-post criminal, I felt wistful...

    Fiction book (1999)
  • Whatever he called himself, he at once appeared dumb as a post and then extremely intelligent, but in a Dr. Evil kind of way.

    Blog text (15)
  • This thing is dumb as a post.

  • That woman is dumb as a post.

  • Dumb as a post.

    Fiction book (1996)
  • Rayette (big as a woman, dumb as a post) soon became my personal servant and bodyguard.

    Fiction book (1997)
  • He always forgets his keys; he's dumb as a post.

  • When it comes to math, John is dumb as a post.

  • She didn't understand the simple instructions; she was dumb as a post.

Synonyms

dumb
vsdumb as a post
  • Offensive
945 3.2

Not able to understand or learn things quickly

is more extreme, adding complete lack of reaction
idiotic
vsdumb as a post
  • Offensive
115 4.4

Very silly and showing bad judgment

is more about complete unresponsiveness than mere ridicule
brainless
vsdumb as a post
  • Offensive
24 3.5

Very stupid and not using common sense

is stronger in implying also unresponsiveness rather than only poor sense
dim-witted
vsdumb as a post
  • Offensive
6 5.6

Not quick to understand or learn

is more absolute, suggesting total unresponsiveness rather than mild slowness
dimwitted
vsdumb as a post
  • Offensive
6 5.3

Not very smart and slow to understand things

is stronger in implying lack of any response rather than mild slowness
braindead
vsdumb as a post
  • Offensive
1 7.3

Very stupid and showing little thought

is intensely unresponsive rather than only slow to understand
dunderheaded
vsdumb as a post
  • Offensive
1 7.9

Being very foolish and showing poor judgment

is harsher, indicating lack of response rather than simple foolishness
dumb as a doornail
vsdumb as a post
  • Offensive
8.9

Very foolish or not showing any reaction

is more absolute implying a total lack of reaction
rock-dumb
vsdumb as a post
  • Offensive
9.8

So surprised that you cannot speak or move

is about total lack of reaction rather than only temporary shock
dumb as a bag of hammers
vsdumb as a post
  • Offensive
9.8

Very stupid and not able to think clearly

is more about total unresponsiveness rather than merely foolishness
ass-brained
vsdumb as a post
  • Offensive
9.9

Very foolish and acting without thinking

is more absolute, implying no response rather than just silly acts
low-thoughted
vsdumb as a post
  • Offensive
9.9

Showing little intelligence and only simple ideas

is stronger, stressing lack of any response rather than shallow thought

Antonyms

82 2.8

Quick to notice and respond to what is happening

smart as a whip
  • Informal
5 7.0

Very quick to understand things and find answers

How Foolish

dumb as a post
  • Offensive
3 9.9
idiotic
  • Offensive
115 4.4
stupid
  • Offensive
1.0
foolish
505 1.3
silly
976 1.0

Surface Forms

dumb as a post positive

Morphology

dumb + as + a + post

The phrase is a straightforward simile using the comparative pattern 'as ... as'; a learner who knows 'dumb', 'as', and that a 'post' is an inanimate stake can infer the meaning 'extremely stupid or unresponsive'. This compositional, comparative logic is common across languages and follows standard English patterns, so the overall meaning is directly derivable from the parts.

Etymology

Dumb as a post may come from the image of a wooden post that stands silent and does not move, and calling someone dumb like that suggests they are 'very stupid' or 'not reacting'.