Diabolical
Diabolical adjective - Of, relating to, or worthy of an evil spirit.
Usage example: the police quickly mobilized to track down the diabolical serial killer
Immoral and diabolical are semantically related. In some cases you can use "Immoral" instead an adjective "Diabolical".
Immoral
Immoral adjective - Not conforming to a high moral standard; morally unacceptable.
Diabolical and immoral are semantically related. Sometimes you can use "Diabolical" instead an adjective "Immoral".
Nearby Words: immorality, immorally
Mutual synonyms
Cite this Source
Immoral and Diabolical. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/diabolical/immoral
Diabolical & Immoral. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/diabolical/immoral>.
Immoral or Diabolical. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/diabolical/immoral.
Google Ngram Viewer shows how "diabolical" and "immoral" have occurred on timeline