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Synonyms for deleterious

Updated: 01-06-2026 by Wikilanguages.net
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Some common synonyms of deleterious are: deleterious [a.] 1. Destructive, deadly, poisonous, noxious, lethal. 2. Injurious, pernicious, hurtful, harmful, unwholesome.

Synonyms of deleterious

deleterious [a.]


1. Destructive, deadly, poisonous, noxious, lethal. 2. Injurious, pernicious, hurtful, harmful, unwholesome.

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What is the best synonyms for deleterious? Synonyms and antonyms of deleterious

What is the best synonyms for deleterious? Synonyms and antonyms of deleterious