Deadly and Otiose

Deadly

Deadly adjective - Likely to cause or capable of causing death.

Otiose is an antonym for deadly.

Nearby Word: dead

Otiose

Otiose adjective - Producing no results.
Usage example: since you haven't read the book, I suppose that it would be otiose to inquire what you thought of it

Deadly is an antonym for otiose.
Cite this Source
Otiose and Deadly. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/deadly/otiose
Deadly & Otiose. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/deadly/otiose>.
Otiose or Deadly. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/deadly/otiose.
Google Ngram Viewer shows how "deadly" and "otiose" have occurred on timeline