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
Idaho’s previous attorney general had warned the law could be unconstitutional.
—
Jackson Thompson Outkick,
FOXNews.com,
1 July 2026
By striking down these unconstitutional caps on coordinated spending, the Court has restored core political speech and ensured parties can compete on a level playing field.
—
Melissa Quinn,
CBS News,
30 June 2026
In March, shortly after a federal judge ruled that a previous set of Hegseth’s press restrictions were unconstitutional, the Pentagon implemented a new set of interim guidelines, including the one requiring press escorts.
—
Ted Johnson,
Deadline,
30 June 2026
Republicans, including Vice President JD Vance and the National Republican Senatorial Committee, challenged the law as an unconstitutional violation of political parties' First Amendment right to raise and spend money on their candidates.
—
Nina Totenberg,
NPR,
30 June 2026
See All Example Sentences for unconstitutional
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Jackson Thompson Outkick,
FOXNews.com,
1 July 2026
By striking down these unconstitutional caps on coordinated spending, the Court has restored core political speech and ensured parties can compete on a level playing field.
—
Melissa Quinn,
CBS News,
30 June 2026
In March, shortly after a federal judge ruled that a previous set of Hegseth’s press restrictions were unconstitutional, the Pentagon implemented a new set of interim guidelines, including the one requiring press escorts.
—
Ted Johnson,
Deadline,
30 June 2026
Republicans, including Vice President JD Vance and the National Republican Senatorial Committee, challenged the law as an unconstitutional violation of political parties' First Amendment right to raise and spend money on their candidates.
—
Nina Totenberg,
NPR,
30 June 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 1 Jul. 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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