Harmful and Ominous

Harmful

Harmful adjective - Causing or capable of causing harm.
Usage example: DDT has been proven to be extremely harmful to the environment

Ominous and harmful are semantically related. In some cases you can use "Ominous" instead an adjective "Harmful".

Ominous

Ominous adjective - Being or showing a sign of evil or calamity to come.

Harmful and ominous are semantically related. Sometimes you can use "Harmful" instead an adjective "Ominous".

Nearby Word: ominously
Cite this Source
Ominous and Harmful. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/harmful/ominous
Harmful & Ominous. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/harmful/ominous>.
Ominous or Harmful. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/harmful/ominous.
Google Ngram Viewer shows how "harmful" and "ominous" have occurred on timeline