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 New York Times is seeking a new order that compels Defense Secretary Pete Hegseth‘s team to rescind a set of press access restrictions that a federal judge ruled unconstitutional last week.
—
Ted Johnson, Deadline, 24 Mar. 2026
Critics argue that the mandate is unconstitutional and violates separation of church and state.
—Sara Cline, Los Angeles Times, 24 Mar. 2026
The New York Times quickly responded by arguing the decision violated the judge's order and was unconstitutional.
—CBS News, 23 Mar. 2026
But some of the administration's critics said agents were being singled out for participating in an immoral and at-times unconstitutional deportation campaign.
—Trevor Hughes, USA Today, 23 Mar. 2026
See All Example Sentences for unconstitutional
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Ted Johnson, Deadline, 24 Mar. 2026
Critics argue that the mandate is unconstitutional and violates separation of church and state.
—Sara Cline, Los Angeles Times, 24 Mar. 2026
The New York Times quickly responded by arguing the decision violated the judge's order and was unconstitutional.
—CBS News, 23 Mar. 2026
But some of the administration's critics said agents were being singled out for participating in an immoral and at-times unconstitutional deportation campaign.
—Trevor Hughes, USA Today, 23 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 31 Mar. 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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