deleterious

Definition

Causing harm or damage, especially in a gradual or subtle way. It describes effects that are destructive or injurious to health, well-being, or success.

Etymology

From Greek 'deleterios' meaning 'destructive,' derived from 'deleter' (destroyer) and ultimately from 'deleisthai' (to hurt or destroy). The word entered English through Latin, maintaining its sense of gradual, harmful destruction.

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