Calamitous
Calamitous adjective - Bringing about ruin or misfortune.
Usage example: a calamitous decision to sell their products online exclusively ruined the business
Harmful is a synonym for calamitous in disastrous topic. In some cases you can use "Harmful" instead an adjective "Calamitous".
Nearby Words: calamity, calamitously
Harmful
Harmful adjective - Causing or capable of causing harm.
Calamitous is a synonym for harmful in injurious topic. You can use "Calamitous" instead an adjective "Harmful".
Mutual synonyms
Related pairs
Cite this Source
Harmful and Calamitous. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/calamitous/harmful
Calamitous & Harmful. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/calamitous/harmful>.
Harmful or Calamitous. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/calamitous/harmful.
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