Illegal
Illegal adjective - Contrary to or forbidden by law.
Rampant and illegal are semantically related. In some cases you can use "Rampant" instead a noun "Illegal".
Nearby Words: illegality, illegally
Mutual synonyms
Both words in one sentence
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In reality, however, it is plagued by rampant amounts of illegal cloning, its many denizens capitalizing on the sales of illegal clones to the Black Market.
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Big Bad: Mickey Cohen, the man responsible for causing illegal businesses and prostitution rings to become rampant in Los Angeles.
Source: Film / Gangster Squad -
Illegal renovation on public housing was rampant in the 80s.
Cite this Source
Rampant and Illegal. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/illegal/rampant
Illegal & Rampant. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/illegal/rampant>.
Rampant or Illegal. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/illegal/rampant.
Google Ngram Viewer shows how "illegal" and "rampant" have occurred on timeline