Immoral
Immoral adjective - Not conforming to a high moral standard; morally unacceptable.
Usage example: blatantly immoral behavior by members of the clergy that should not be tolerated by the community
Sinful is a synonym for immoral in evil topic. In some cases you can use "Sinful" instead an adjective "Immoral", when it comes to topics like right, corrupted, wicked. popular alternative
Nearby Words: immorality, immorally
Sinful
Sinful adjective - Not conforming to a high moral standard; morally unacceptable.
Usage example: chastised by his minister for his sinful behavior
Immoral is a synonym for sinful in right topic. You can use "Immoral" instead an adjective "Sinful", if it concerns topics such as corrupted, wicked. popular alternative
Mutual synonyms
Both words in one sentence
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Sex Is Evil: Margaret thinks all sex, even within marriage, is immoral and sinful.
Source: Literature / Carrie - Unless the work resorts to outright lies, it really has no argument to show any differences between sex within marriage and sex outside of it other than "it's bad/sinful/immoral".
- The feminists feel that it's exploitative of women; the Christians feel that it's immoral and sinful, and also exploitative of women.
Source: Enemy Mine / Real Life
Cite this Source
Sinful and Immoral. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/immoral/sinful
Immoral & Sinful. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/immoral/sinful>.
Sinful or Immoral. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/immoral/sinful.
Google Ngram Viewer shows how "immoral" and "sinful" have occurred on timeline