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
The Pentagon Press Association, which includes CBS News and Associated Press reporters, said the Pentagon's interim policy preserves provisions that Friedman deemed to be unconstitutional while also adding new restrictions on credential holders.
—
CBS News, 30 Mar. 2026
But Fultz underscores that the bill was introduced because the previous legislation was deemed unconstitutional and discriminatory by Canadian courts.
—Vivian Song, CNN Money, 30 Mar. 2026
Critics inside Israel—including opposition lawmakers, legal advisers, and former security officials—argue the measure is discriminatory, unconstitutional, and could endanger Israeli hostages still held in Gaza.
—Brendan Cole, MSNBC Newsweek, 30 Mar. 2026
The lawsuit, filed in December, claims the unconstitutional language was used to stop the project, resulting in a 90% devaluation of the land.
—Kenneth R. Gosselin, Hartford Courant, 29 Mar. 2026
See All Example Sentences for unconstitutional
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CBS News, 30 Mar. 2026
But Fultz underscores that the bill was introduced because the previous legislation was deemed unconstitutional and discriminatory by Canadian courts.
—Vivian Song, CNN Money, 30 Mar. 2026
Critics inside Israel—including opposition lawmakers, legal advisers, and former security officials—argue the measure is discriminatory, unconstitutional, and could endanger Israeli hostages still held in Gaza.
—Brendan Cole, MSNBC Newsweek, 30 Mar. 2026
The lawsuit, filed in December, claims the unconstitutional language was used to stop the project, resulting in a 90% devaluation of the land.
—Kenneth R. Gosselin, Hartford Courant, 29 Mar. 2026
See All Example Sentences for unconstitutional
Cite this Entry
“Unconstitutional.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unconstitutional. Accessed 3 Apr. 2026.
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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