Illegal and Rightful

Opposite meaning words

Illegal adjective - Contrary to or forbidden by law.

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Rightful is an antonym for illegal.

Nearby Words: illegality, illegally

Rightful adjective - Being what is called for by accepted standards of right and wrong.

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Illegal is an antonym for rightful in legitimate topic.

Nearby Words: right, righted, rightly

In Tolkien's The Silmarillion we have Ar-Pharazôn, last King of Númenor, who usurped the throne by the less usual method of marrying the rightful heiress (who was also his cousin, despite it being illegal under Numenorean law) and then forcibly reducing her role to that of his consort.

Source: The Evil Prince / Literature

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Rightful and Illegal. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/illegal/rightful

Illegal & Rightful. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/illegal/rightful>.

Rightful or Illegal. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/illegal/rightful.

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