[ uhn-in-tel-i-juhnt ]
See synonyms for unintelligent on Thesaurus.com
  1. deficient in intelligence; dull; stupid: Even the most unintelligent intern knew how to operate this copy machine.

  2. characterized by or proceeding from a lack of intelligence: No one will respect you as long as you go around making unintelligent remarks like that.

  1. not endowed with the ability to think or reason: We should protect unintelligent life like trees and protozoa as well as intelligent life like humans and dolphins.

Origin of unintelligent

First recorded in 1600–10; un-1 + intelligent

confusables note For unintelligent

See stupid.

Other words from unintelligent

  • un·in·tel·li·gence, noun
  • un·in·tel·li·gent·ly, adverb

Words that may be confused with unintelligent

Words Nearby unintelligent

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use unintelligent in a sentence

British Dictionary definitions for unintelligent


/ (ˌʌnɪnˈtɛlɪdʒənt) /

  1. lacking intelligence; stupid; foolish

  2. not endowed with a mind or intelligence

Derived forms of unintelligent

  • unintelligence, noun
  • unintelligently, adverb

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012