Deadly
Ruinous
Ruinous adjective - Causing or tending to cause destruction.
Usage example: a ruinous windstorm destroyed the crops
Deadly is a synonym for ruinous in disastrous topic. You can use "Deadly" instead an adjective "Ruinous", if it concerns topics such as fatal, destructive.
Mutual synonyms
Related pairs
Cite this Source
Ruinous and Deadly. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/deadly/ruinous
Deadly & Ruinous. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/deadly/ruinous>.
Ruinous or Deadly. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/deadly/ruinous.
Google Ngram Viewer shows how "deadly" and "ruinous" have occurred on timeline