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- Dictionarydel·e·te·ri·ous/ˌdeləˈtirēəs/
adjective
- 1. causing harm or damage: formal "divorce is assumed to have deleterious effects on children"
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Synonyms for DELETERIOUS: harmful, detrimental, adverse, damaging, dangerous, bad, injurious, hazardous; Antonyms of DELETERIOUS: beneficial, benign, harmless, innocuous, safe, useful, innocent, advantageous
Find 17 different ways to say DELETERIOUS, along with antonyms, related words, and example sentences at Thesaurus.com.
Find 2,322 synonyms for deleterious and other similar words that you can use instead based on 5 separate contexts from our thesaurus.
The meaning of DELETERIOUS is harmful often in a subtle or unexpected way. How to use deleterious in a sentence. Did you know? Synonym Discussion of Deleterious.
Synonyms for Deleterious (other words and phrases for Deleterious).
Synonyms and antonyms of deleterious in English. deleterious. adjective. These are words and phrases related to deleterious. Click on any word or phrase to go to its thesaurus page. Or, go to the definition of deleterious. Smoking cigarettes may be deleterious to your health. Synonyms. harmful. hurtful. detrimental. dangerous. destructive. ruinous.
If something is deleterious, it does harm or makes things worse. Smoking has obvious deleterious effects on your health, not to mention your social life.