un·​con·​sti·​tu·​tion·​al | \ ˌən-ˌkän(t)-stə-ˈtü-shnəl, -ˈtyü-, -shə-nᵊl How to pronounce unconstitutional (audio) \

Definition of unconstitutional

: not according or consistent with the constitution of a body politic (such as a nation) an unconstitutional infringement on rights

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Other Words from unconstitutional

unconstitutionality \ ˌən-​ˌkän(t)-​stə-​ˌtü-​shə-​ˈna-​lə-​tē How to pronounce unconstitutional (audio) , -​ˌtyü-​ \ noun
unconstitutionally adverb

Examples of unconstitutional in a Sentence

an unconstitutional infringement of rights The law may be unconstitutional.
Recent Examples on the Web Holcomb filed a lawsuit arguing the provision is unconstitutional. Kaitlin Lange, The Indianapolis Star, "Lawmakers void all local COVID-19 restrictions with override of Holcomb's veto," 10 May 2021 An Illinois circuit court judge recently ruled that the state’s requirement of a license to own a gun is unconstitutional, at least when applied to someone keeping a firearm at home. Steve Chapman, chicagotribune.com, "Column: An Illinois court takes an extreme view of the Second Amendment," 7 May 2021 The Florida voting law has already become the subject of a lawsuit from civil rights advocates, who argue that many of its components are unconstitutional. Sanya Mansoor, Time, "Texas Was Already One of the Hardest States to Vote in. It May Get Even Harder," 7 May 2021 The amendment failed by a vote of 48-51. Rep. Rich Wingo, R-Tuscaloosa, an opponent of the bill, proposed an amendment to say that if any part of the bill was found to be unconstitutional that the entire law would be invalidated. Mike Cason | Mcason@al.com, al, "Alabama House passes medical marijuana bill," 6 May 2021 Regulating Facebook by replacing its terms of service with terms contrived in Washington would almost certainly be unconstitutional, and would likely be detrimental to the goal its champions are trying to advance. The Editors, National Review, "The Ridiculous Facebook Affair," 6 May 2021 The 1960 ruling of Boynton v. Virginia went further to specify that segregation on interstate transportation services, including bus terminals, was unconstitutional as well. Ayano Nagaishi, USA Today, "Could the Freedom Riders make a difference against today’s racism?," 5 May 2021 First Amendment rights by requiring them to tell tenants about a moratorium that some judges have ruled is unconstitutional. Caroline Glenn, orlandosentinel.com, "Federal judge strikes down CDC’s nationwide eviction moratorium," 5 May 2021 The Freedom Riders tested a 1960 Supreme Court ruling that segregation in interstate bus and rail travel was unconstitutional. Christina Zdanowicz, CNN, "Vintage Greyhound bus is restored to commemorate the Freedom Rides' 60th anniversary," 5 May 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'unconstitutional.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of unconstitutional

1734, in the meaning defined above

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Time Traveler for unconstitutional

Time Traveler

The first known use of unconstitutional was in 1734

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Statistics for unconstitutional

Last Updated

16 May 2021

Cite this Entry

“Unconstitutional.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unconstitutional. Accessed 18 May. 2021.

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More Definitions for unconstitutional



English Language Learners Definition of unconstitutional

: not allowed by the constitution of a country or government : not constitutional


un·​con·​sti·​tu·​tion·​al | \ ˌən-ˌkän-stə-ˈtü-shə-nᵊl How to pronounce unconstitutional (audio) , -ˈtyü- \

Kids Definition of unconstitutional

: not according to or agreeing with the constitution of a country or government


un·​con·​sti·​tu·​tion·​al | \ ˌən-ˌkän-stə-ˈtü-shə-nəl, -ˈtyü- How to pronounce unconstitutional (audio) \

Legal Definition of unconstitutional

: 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

Other Words from unconstitutional

unconstitutionality \ -​ˌtü-​shə-​ˈna-​lə-​tē, -​ˌtyü-​ How to pronounce unconstitutional (audio) \ noun
unconstitutionally adverb

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