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Synonyms

unconstitutional

American  
[uhn-kon-sti-too-shuh-nl, -tyoo-] / ˌʌn kɒn stɪˈtu ʃə nl, -ˈtyu- /

adjective

  1. not constitutional; unauthorized by or inconsistent with the constitution, as of a country.

unconstitutional British  
/ ˌʌnkɒnstɪˈtjuːʃənəl /

adjective

  1. at variance with or not permitted by a constitution

"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

Other Word Forms

  • unconstitutionalism noun
  • unconstitutionality noun
  • unconstitutionally adverb

Etymology

Origin of unconstitutional

First recorded in 1735–45; un- 1 + constitutional

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.