unconstitutional

adjective

un·​con·​sti·​tu·​tion·​al ˌən-ˌkän(t)-stə-ˈtü-sh(ə-)nəl How to pronounce unconstitutional (audio)
-ˈtyü-
: not according or consistent with the constitution of a body politic (such as a nation)
an unconstitutional infringement on rights
unconstitutionality noun
unconstitutionally adverb

Examples of unconstitutional in a Sentence

an unconstitutional infringement of rights The law may be unconstitutional.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The administration believes that the act is unconstitutional and that impoundment has been used by presidents for nearly 200 years. Haisten Willis, The Washington Examiner, 27 May 2025 On April 30, the North Carolina Court of Appeals allowed the law to take effect, reversing the order of a lower court that ruled the law unconstitutional, The News & Observer reported at the time. Joe Marusak, Charlotte Observer, 24 May 2025 Investigators said many of those stops, citations and arrests were unconstitutional. Nicole Santa Cruz, ProPublica, 23 May 2025 The Trump administration's OMB director, Russ Vought, has argued certain limits on an administration's spending are unconstitutional. Hansi Lo Wang, NPR, 23 May 2025 See All Example Sentences for unconstitutional

Word History

First Known Use

1734, in the meaning defined above

Time Traveler
The first known use of unconstitutional was in 1734

Browse Nearby Words

Cite this Entry

“Unconstitutional.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unconstitutional. Accessed 30 May. 2025.

Kids Definition

unconstitutional

adjective
un·​con·​sti·​tu·​tion·​al ˌən-ˌkän(t)-stə-ˈt(y)üsh-nəl How to pronounce unconstitutional (audio)
-ən-ᵊl
: not according to or agreeing with the constitution of a state or society
unconstitutionality noun
unconstitutionally
-ˈt(y)üsh-nə-lē
-ən-ᵊl-ē
adverb

Legal Definition

unconstitutional

adjective
un·​con·​sti·​tu·​tion·​al ˌən-ˌkän-stə-ˈtü-shə-nəl, -ˈtyü- How to pronounce unconstitutional (audio)
: contrary to or failing to comply with a constitution
especially : violative of a person's rights guaranteed by the U.S. Constitution
an unconstitutional search and seizure
unconstitutionality noun
unconstitutionally adverb

More from Merriam-Webster on unconstitutional

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