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unconstitutionally Synonyms
Another word for unconstitutionally
Choosing another word for unconstitutionally that fits your sentence is easier when synonyms and similar words are paired with an exact adverb definition and ranked by match strength.
• adverb (Context 1)
In a manner that violates or is inconsistent with the constitution of a country, state, or organization.
Usage Example
"The Supreme Court ruled that the state legislature had acted unlawfully when it passed the restrictive voting law."
Strong
unlawfully
illegally
illegitimately
invalidly
Weak
illicitly
Opposites of unconstitutionally
The opposite of unconstitutionally shifts depending on context. Common opposites include:
constitutionally
legally
lawfully
legitimately
validly
• Nearby Words
Cite this Entry
Wordmom. (2026). Synonyms for Unconstitutionally. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/unconstitutionally