Pronunciation : (del'i-tir'e-us)
1. Having a harmful effect
2. Causing harm or injury
3. Hurtful, morally or physically
4. Causing or capable of causing harm
From Greek deleterios, from deleter, destroyer, from deleisthai, to harm
• Youngsters do not understand the deleterious effects of smoking.
• Using steroids can be deleterious to your health.
1. Deleteriously : Adverb
2. Deleteriousness : Noun
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