Deleterious
Deleterious adjective - Causing or capable of causing harm.
Fell and deleterious are semantically related. In some cases you can use "Fell" instead an adjective "Deleterious".
Fell
Fell adjective - Likely to cause or capable of causing death.
Usage example: planning in the event that the enemy resorted to biological warfare and released some fell virus on the civilian population
Deleterious and fell are semantically related. Sometimes you can use "Deleterious" instead an adjective "Fell".
Cite this Source
Fell and Deleterious. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/deleterious/fell
Deleterious & Fell. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/deleterious/fell>.
Fell or Deleterious. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/deleterious/fell.
Google Ngram Viewer shows how "deleterious" and "fell" have occurred on timeline