Illegal
Illegal adjective - Contrary to or forbidden by law.
Usage example: it is illegal to import those birds into this country
Nearby Words: illegality, illegally
Legitimate
Legitimate adjective - Permitted by law.
Usage example: the mistrust created among investors by the financial scandal has hurt even companies engaged in wholly legitimate business practices
Both words in one sentence
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Legitimate Businessmen's Social Club: Gatsby's "pharmacies", which he purchased to sell illegal alcohol through.
Source: Literature / The Great Gatsby -
The Casino: Frank owns the Vinci Gardens Casino to use as a legitimate front to his illegal activities.
Source: Series / True Detective - In fact, the show gives us a very legitimate reason for why he shouldn't date her (it's illegal for university faculty to become romantically involved with students).
Source: Strangled by the Red String
Cite this Source
Legitimate and Illegal. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/illegal/legitimate
Illegal & Legitimate. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/illegal/legitimate>.
Legitimate or Illegal. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/illegal/legitimate.
Google Ngram Viewer shows how "illegal" and "legitimate" have occurred on timeline