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

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 , -​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

The government shutdown is literally driving people out of their homes and starving them, the trans military ban is unconstitutional and beyond cruel. Erica Gonzales, Harper's BAZAAR, "Supreme Court Allows Trump's Transgender Military Ban to Go Into Effect Temporarily," 22 Jan. 2019 Typically lawmakers announcing new legislation don’t feel the need to simultaneously try to rebut anticipated claims that the bill is unconstitutional. James Freeman, WSJ, "Elizabeth Warren’s Unconstitutional Wealth Tax," 25 Jan. 2019 His view, if upheld, would have delayed a constitutional challenge to the law, and some on the right faulted him for not simply declaring the law unconstitutional. David G. Savage, latimes.com, "Brett Kavanaugh, a Washington veteran, is Trump's second pick for the Supreme Court," 10 July 2018 Attorneys for the plaintiffs argued the law was unconstitutional and would force Ohio women to travel out of state for abortions or force women to continue pregnancies against their will. Jackie Borchardt, cleveland.com, "Ohio attorney general will appeal ruling in Down syndrome abortion ban," 15 Mar. 2018 Launched in the mid-1990s, the Vernon curfew was found unconstitutional by a federal appeals court in 2003. Jesse Leavenworth, Courant Community, "Manchester Residents Rail Against Proposed Curfew," 10 July 2018 McDermott said at the resentencing — one of more than 300 being held in Philadelphia for individuals sentenced as juveniles to mandatory life-without-parole terms that the U.S. Supreme Court has since found unconstitutional. Samantha Melamed, Philly.com, "Convicted of killing his family as a teen, Philly man resentenced to 45 to life," 27 June 2018 Chip Somodevilla/Getty Images Late Friday night, a district court in Texas ruled the entirety of Obamacare to be unconstitutional. Sarah Kliff, Vox, "Is the new Obamacare lawsuit headed to the Supreme Court?," 17 Dec. 2018 Here are some questions and answers regarding the Affordable Care Act, which a federal judge on Friday ruled was unconstitutional. Mark Sherman, The Seattle Times, "After judge’s ruling against Obamacare, what happens now?," 17 Dec. 2018

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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17 Feb 2019

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The first known use of unconstitutional was in 1734

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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 , -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- \

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-​ \ noun
unconstitutionally adverb

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Britannica English: Translation of unconstitutional for Arabic Speakers

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