Illegal
Illegal adjective - Contrary to or forbidden by law.
Unconstitutional and illegal are semantically related. in unlawful topic. In some cases you can use "Unconstitutional" instead an adjective "Illegal", when it comes to topics like against the law.
Nearby Words: illegality, illegally
Unconstitutional
Unconstitutional adjective - Not consistent with or according to a constitution; contrary to the U.S. Constitution.
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Synonyms for Unconstitutional
Illegal and unconstitutional are semantically related. You can use "Illegal" instead an adjective "Unconstitutional".
Nearby Word: unconstitutionally
Mutual synonyms
Related pairs
- crooked and illegal
- crooked and unconstitutional
- illegitimate and illegal
- illegitimate and unconstitutional
- unlawful and illegal
- unlawful and unconstitutional
- illicit and illegal
- illicit and unconstitutional
- lawless and illegal
- lawless and unconstitutional
- criminal and illegal
- criminal and unconstitutional
- wrongful and illegal
- wrongful and unconstitutional
Both words in one sentence
- I Did What I Had to Do: Stark justifies his illegal and unconstitutional actions by saying that he's done a huge amount of good for the state, and everyone just makes up morality as they go along anyway.
Source: Literature / All the King's Men - To be fair, though, the Marvel Universe during Dark Reign seemed to be a fascist dictatorship under Osborn, so the law probably changed to allow this verdict (otherwise completely illegal and unconstitutional in our world).
Source: Hollywood Law -
And again: "Even though reopening a trial at this point is illegal and grossly unconstitutional, I just can't say no to kids."
Source: Courtroom Antic
Cite this Source
Unconstitutional and Illegal. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/illegal/unconstitutional
Illegal & Unconstitutional. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/illegal/unconstitutional>.
Unconstitutional or Illegal. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/illegal/unconstitutional.
Google Ngram Viewer shows how "illegal" and "unconstitutional" have occurred on timeline