Illegal
Illegal adjective - Contrary to or forbidden by law.
Undue and illegal are semantically related In some cases you can use "Undue" instead an adjective "Illegal".
Nearby Words: illegality, illegally
Mutual synonyms
Both words in one sentence
- Their various illegal operations are highly profitable but require them to keep a low profile and avoid undue attention from law enforcement.
Source: Unintentionally Notorious Crime
Cite this Source
Undue and Illegal. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/illegal/undue
Illegal & Undue. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/illegal/undue>.
Undue or Illegal. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/illegal/undue.
Google Ngram Viewer shows how "illegal" and "undue" have occurred on timeline