Word.ws English Dictionary

underbrained

underbrained adjective: lacking intelligence.

Adjective

underbrained (comparative more underbrained, superlative most underbrained)

  1. Lacking intelligence.
    • Newton Mackintosh, Lucy Lake
      Poor Lucy Lake was overgrown, / But somewhat underbrained. / She did not know enough, I own, / To go in when it rained.
    • I hope that even a species as underbrained as yours can understand that survival is a very good idea.2000, W. R. Thompson, Infiltrator

Synonyms of underbrained

30 more synonymsFewer synonyms

Forms of underbrained

comparativemore underbrained
superlativemost underbrained

Origin of underbrained

From under- + brained.

Questions about underbrained

What does underbrained mean?
Underbrained means lacking intelligence.
What part of speech is underbrained?
Underbrained is an adjective.

Words near underbrained in the dictionary

  1. underbraced
  2. underbraces
  3. underbracing
  4. underbrag
  5. underbrags
  6. underbrained
  7. underbrake
  8. underbranch
  9. underbranches
  10. underbreak
  11. underbreaks

Source and license

Adapted from Wiktionary: underbrained (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Flame, not lame-underbrained.wav.

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