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Definition of unconstitutional
unconstitutional
/ˌʌnˌkɑːnstɪˈtuːʃənəl/
un · con · sti · tu · tion · al
Adverb:unconstitutionally
unconstitutional Lexical Profile
CEFR
B2
Grade
8
Tier
2
Usage
Top 10k
Syllables
6
• adjective
1
Not in accordance with the political constitution of a country or state, or with the procedural rules and bylaws of an organization.
Example
"The Supreme Court ruled that the new censorship law was unconstitutional because it violated the right to free speech."
• Rhymes for unconstitutional
• Nearby Words
Word Origin & Etymology
Formed in the mid-18th century by adding the Old English privative prefix un- ('not') to 'constitutional,' which ultimately derives from the Latin verb constituere, meaning 'to cause to stand, set up, or establish.'
Cite this Entry
Wordmom. (2026). Definition of Unconstitutional. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/unconstitutional