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
By ruling that such race-conscious compliance is unconstitutional, the Court hollowed out one of the most powerful applications of the Voting Rights Act, causing redistricting efforts to soar in states around the country before the 2026 midterm elections, particularly in southern states.
—
Tesfaye Negussie, ABC News, 19 May 2026
Many tech industry associations have been lobbying against KOSA, saying its tenets are vague and potentially unconstitutional.
—Jeremy Kahn, Fortune, 19 May 2026
In the summer of 2024, a judge ruled the township’s ban on new cemeteries was unconstitutional.
—Karina Tsui, CNN Money, 18 May 2026
Mangione’s lawyers have argued that some of the evidence was obtained through unconstitutional searches and questioning during that encounter, while prosecutors insist it was lawfully collected.
—Adam Reiss, NBC news, 18 May 2026
See All Example Sentences for unconstitutional
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Tesfaye Negussie, ABC News, 19 May 2026
Many tech industry associations have been lobbying against KOSA, saying its tenets are vague and potentially unconstitutional.
—Jeremy Kahn, Fortune, 19 May 2026
In the summer of 2024, a judge ruled the township’s ban on new cemeteries was unconstitutional.
—Karina Tsui, CNN Money, 18 May 2026
Mangione’s lawyers have argued that some of the evidence was obtained through unconstitutional searches and questioning during that encounter, while prosecutors insist it was lawfully collected.
—Adam Reiss, NBC news, 18 May 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 20 May. 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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