unconstitutional
adjective
un·con·sti·tu·tion·al
ˌən-ˌkän(t)-stə-ˈtü-sh(ə-)nəl 
-ˈtyü-
: not according or consistent with the constitution of a body politic (such as a nation)
an unconstitutional infringement on rights
unconstitutionally
adverb
Examples of unconstitutional in a Sentence
an unconstitutional infringement of rights
The law may be unconstitutional.
Recent Examples on the Web
Meanwhile, a federal appeals court in New Orleans ruled in August 2024 that undocumented migrants are not entitled to Second Amendment protections, rejecting a challenge from a Mexican man convicted of illegally possessing a handgun, who claimed the ban was unconstitutional.
—
Yaakov Katz, Newsweek, 7 Feb. 2025
At the same time, two trade unions representing USAID workers have filed a suit against the government, arguing the jettisoning of the organization's staff and projects is unconstitutional.
—Jacob Turcotte, The Christian Science Monitor, 7 Feb. 2025
Last year, an Ohio contractor—with the support of 23 attorneys general from Republican states—asked the Supreme Court to hear a complaint arguing that OSHA’s far-reaching authority is unconstitutional, The Hill reported.
—Jamie Ducharme, TIME, 6 Feb. 2025
The following May, the U.S. Supreme Court issued its ruling, declaring school segregation unconstitutional nationwide.
—Jeremy Duda, Axios, 5 Feb. 2025
See all Example Sentences for unconstitutional 
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Yaakov Katz, Newsweek, 7 Feb. 2025
At the same time, two trade unions representing USAID workers have filed a suit against the government, arguing the jettisoning of the organization's staff and projects is unconstitutional.
—Jacob Turcotte, The Christian Science Monitor, 7 Feb. 2025
Last year, an Ohio contractor—with the support of 23 attorneys general from Republican states—asked the Supreme Court to hear a complaint arguing that OSHA’s far-reaching authority is unconstitutional, The Hill reported.
—Jamie Ducharme, TIME, 6 Feb. 2025
The following May, the U.S. Supreme Court issued its ruling, declaring school segregation unconstitutional nationwide.
—Jeremy Duda, Axios, 5 Feb. 2025
See all Example Sentences for unconstitutional
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Dictionary Entries Near unconstitutional
Cite this Entry
“Unconstitutional.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unconstitutional. Accessed 11 Feb. 2025.
Copy CitationKids Definition
unconstitutional
adjective
un·con·sti·tu·tion·al
ˌən-ˌkän(t)-stə-ˈt(y)üsh-nəl
-ən-ᵊl
: not according to or agreeing with the constitution of a state or society
unconstitutionally
adverb
-ˈt(y)üsh-nə-lē
-ən-ᵊl-ē
Legal Definition
unconstitutional
adjective
un·con·sti·tu·tion·al
ˌən-ˌkän-stə-ˈtü-shə-nəl, -ˈtyü-
: 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
unconstitutionally
adverb
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