thick as a brick

adjective

Very stupid; slow to learn or understand.

Similar
dumb as an oxaddlebrainedaddlepatedairheadedbee-brainedbeef-wittedsoftbeefheaded
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Meanings

adjectivethick as a brick (not comparable)
  1. not comparablesimileVery stupid; slow to learn or understand.

    So you ride yourselves over the fields And you make all your animal deals And your wise men don't know how it feels To be thick as a brick.

    1972, “Thick As A Brick”, Ian Anderson (lyrics), performed by Jethro Tull

    Synonyms: dumb as an ox, addlebrained, addlepated, airheaded, bee-brained, beef-witted, soft, beefheaded

Synonyms & antonyms

adjectiveVery stupid; slow to learn or understand.

Similar
dumb as an oxaddlebrainedaddlepatedairheadedbee-brainedbeef-wittedsoftbeefheadedbeetle-headedbirdbrainedblockheadedBoeotianboneheadedboofheadedbraindeadbrainlessbubbleheadedbuffle-headedbullet-headedcerebrally challenged
Also see
dumb as a brickstupidthick as a plankthick as a whale omelettethick as pig shitthick as two short planks

Translations

Chinese Mandarin 愚不可及
  • 愚不可及 (yúbùkějí)Translations
Czech blbý jako troky, tupý jako necky
  • blbý jako trokyTranslations
  • tupý jako neckyTranslations
  • blbý jako tágoTranslations
Danish dum som et bræt, dum som en skovl
  • dum som et brætTranslations
  • dum som en skovlTranslations
  • dum som en dørTranslations
Dutch plank voor het hoofd
  • plank voor het hoofdTranslations
Esperanto malsaĝa kiel ŝtipo
  • malsaĝa kiel ŝtipoTranslations
Finnish tyhmä kuin saapas
  • tyhmä kuin saapasTranslations
French bête à manger du foin, bête comme ses pieds
  • bête à manger du foinTranslations
  • bête comme ses piedsTranslations
  • con comme un balaiTranslations
  • con comme la luneTranslations
  • con comme une chaiseTranslations
  • con comme un mancheTranslations
German dumm wie Bohnenstroh, dumm wie Brot
  • dumm wie BohnenstrohTranslations
  • dumm wie BrotTranslations
Hebrew טיפש כמו נעל
  • טיפש כמו נעלTranslations
Icelandic nautheimskur
  • nautheimskurTranslations
Norwegian Bokmål dum som et brød, dum som en stut
  • dum som et brødTranslations
  • dum som en stutTranslations
Polish głupi jak but
  • głupi jak butTranslations
Portuguese burro como uma porta
  • burro como uma portaTranslations
Romanian prost ca noaptea
  • prost ca noapteaTranslations
Russian тупо́й, как про́бка, туп как сиби́рский ва́ленок
  • тупо́й, как про́бка (tupój, kak próbka)Translations
  • туп как сиби́рский ва́ленок (tup kak sibírskij válenok)Translations
Slovak hlúpy ako peň
  • hlúpy ako peňTranslations
Swedish dum som en gås
  • dum som en gåsTranslations
Cite this entry
APA

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

MLA

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

Chicago

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

Source: thick as a brick on Wiktionary, CC BY-SA 4.0.