Illegal
Illegal adjective - Prohibited by law or by official or accepted rules.
Usage example: an illegal chess move
Penal and illegal are semantically related. In some cases you can use "Penal" instead an adjective "Illegal".
Nearby Words: illegality, illegally
Mutual synonyms
Related pairs
- dishonest and illegal
- dishonest and penal
- fraudulent and illegal
- fraudulent and penal
- illegitimate and illegal
- illegitimate and penal
- unlawful and illegal
- unlawful and penal
- criminal and illegal
- criminal and penal
- prohibited and illegal
- prohibited and penal
- unauthorized and illegal
- unauthorized and penal
Both words in one sentence
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Penal Colony: Siberia is used as this by Imperial Russia: Nadia's father has been sent here for illegal political activities.
Source: Literature / Michael Strogoff - Australia is notable for being one of the few countries where magic is not illegal; it is generally understood that the reason for this is that, due to its origins as a penal colony, many of the first European settlers were people who had been deported from England for the crime of using magic.
Source: Ban on Magic
Cite this Source
Penal and Illegal. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/illegal/penal
Illegal & Penal. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/illegal/penal>.
Penal or Illegal. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/illegal/penal.
Google Ngram Viewer shows how "illegal" and "penal" have occurred on timeline