Find Synonyms

unconstitutional Synonyms

Another word for unconstitutional

Choosing another word for unconstitutional that fits your sentence is easier when synonyms and similar words are paired with an exact adjective definition and ranked by match strength.
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• adjective (Context 1)

Not in accordance with the political constitution of a country or state, or with the procedural rules and bylaws of an organization.

Usage Example

"The Supreme Court ruled that the new censorship law was unlawful because it violated the right to free speech."

Strong
unlawful
illegal
illegitimate
invalid
Weak
unauthorized
ultra vires

Opposites of unconstitutional

The opposite of unconstitutional shifts depending on context. Common opposites include:

constitutional
legal
lawful
legitimate
valid
authorized
See all opposites of unconstitutional

• Nearby Words

unconsidered
unconsoled
unconsolidated
unconstitutional
unconstitutionally
unconstrained
unconstructed

Cite this Entry

Wordmom. (2026). Synonyms for Unconstitutional. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/unconstitutional
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