con·​sti·​tu·​tion·​al·​i·​ty | \ˌkän(t)-stə-ˌtü-shə-ˈna-lə-tē, -ˌtyü-\

Definition of constitutionality 

: the quality or state of being constitutional especially : accordance with the provisions of a constitution questioned the constitutionality of the law

Examples of constitutionality in a Sentence

He questions the constitutionality of the proposed law.

Recent Examples on the Web

The Alaska Supreme Court is currently considering a court challenge to the salmon initiative's constitutionality. Nathaniel Herz, Anchorage Daily News, "Slow pace of Alaska Legislature will likely bump citizens initiatives to November vote," 17 Apr. 2018 Before the trial, Muhtorov unsuccessfully challenged the constitutionality of the National Security Agency's warrantless surveillance program. Fox News, "Uzbek refugee found guilty of supporting terror group," 21 June 2018 At the direction of Jeff Sessions, the Justice Department has thrown up its hands and admitted defeat in a frivolous and highly partisan lawsuit a group of states, led by Texas, filed to challenge the constitutionality of the Affordable Care Act. Cristian Farias, Daily Intelligencer, "On Obamacare, the Department of Justice Is Standing Against the Rule of Law," 8 June 2018 Blackmore and Oler are the first Canadians to be found guilty of polygamy since 1906, the CBC reports, and their convictions were at the center of a years-long legal debate in the country about the constitutionality of outlawing polygamy. Harriet Sokmensuer,, "Canadian Man with 149 Kids Sentenced to House Arrest: 'I'm Guilty of Living My Religion'," 27 June 2018 DiLuzio raised concerns about the constitutionality of treating offenders differently within the same city. Nicole Radzievich,, "Bethlehem votes to decriminalize small amounts of marijuana," 20 June 2018 However, justices did not rule on the constitutionality of a lethal injection method that critics characterize as experimental and risky. Ken Ritter, The Seattle Times, "Nevada switches drug to be used in 1st execution since 2006," 3 July 2018 And if that’s not enough, how about pre-existing conditions now that Trump has joined the state of Florida in challenging in court the constitutionality of pre-existing conditions. Adam C. Smith, miamiherald, "Bill Nelson says he expects to vote against President Trump's Supreme Court nominee," 2 July 2018 Schimel and his Texas counterpart filed the suit earlier this year, challenging the constitutionality of the Affordable Care Act. Bill Glauber, Milwaukee Journal Sentinel, "Josh Kaul criticizes Wisconsin Attorney General Brad Schimel on Obamacare lawsuit," 14 June 2018

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

See More

First Known Use of constitutionality

1787, in the meaning defined above

Keep scrolling for more

Learn More about constitutionality

Share constitutionality

Statistics for constitutionality

Last Updated

10 Nov 2018

Look-up Popularity

Time Traveler for constitutionality

The first known use of constitutionality was in 1787

See more words from the same year

Keep scrolling for more

More Definitions for constitutionality



English Language Learners Definition of constitutionality

: the state of being allowed by or in agreement with a constitution : the state of being constitutional


con·​sti·​tu·​tion·​al·​i·​ty | \ˌkän-stə-ˌtü-shə-ˈna-lə-tē, -ˌtyü- \

Legal Definition of constitutionality 

: the quality or state of being constitutional especially : conformity with the provisions of a constitution questioned the constitutionality of the income tax

Keep scrolling for more

Comments on constitutionality

What made you want to look up constitutionality? Please tell us where you read or heard it (including the quote, if possible).


a trusted follower

Get Word of the Day daily email!

Test Your Vocabulary

Difficult Vocab Quiz

  • the-education-of-achilles-eugne-delacroix
  • Which is a synonym of discomfit?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!


Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!