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 legal action’s contention that the mid-decade redistricting attempt was unconstitutional echoes a chorus of arguments from opponents over the past several weeks.
—
Kacen Bayless, Kansas City Star, 12 Sep. 2025
In the decision on Wednesday, a state appeals court ruled that Florida's ban on openly carrying guns is unconstitutional, the Associated Press reported.
—Robert Birsel, MSNBC Newsweek, 11 Sep. 2025
In an authoritarian state, the leader engages in unconstitutional or undemocratic practices for the purpose of consolidating power.
—Karrin Vasby Anderson, The Conversation, 10 Sep. 2025
The change is similar to actions in other states that repeatedly were struck down as unconstitutional for violating the public's First Amendment right to access information without government suppression.
—Taylor Seely, AZCentral.com, 8 Sep. 2025
See All Example Sentences for unconstitutional
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Kacen Bayless, Kansas City Star, 12 Sep. 2025
In the decision on Wednesday, a state appeals court ruled that Florida's ban on openly carrying guns is unconstitutional, the Associated Press reported.
—Robert Birsel, MSNBC Newsweek, 11 Sep. 2025
In an authoritarian state, the leader engages in unconstitutional or undemocratic practices for the purpose of consolidating power.
—Karrin Vasby Anderson, The Conversation, 10 Sep. 2025
The change is similar to actions in other states that repeatedly were struck down as unconstitutional for violating the public's First Amendment right to access information without government suppression.
—Taylor Seely, AZCentral.com, 8 Sep. 2025
See All Example Sentences for unconstitutional
Cite this Entry
“Unconstitutional.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unconstitutional. Accessed 14 Sep. 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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