deleterious

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English[edit]

Etymology[edit]

From Ancient Greek δηλητήριος (dēlētḗrios, noxious, deleterious), from δηλητήρ (dēlētḗr, a destroyer), from δηλέομαι (dēléomai, I hurt, damage, spoil, waste).

Pronunciation[edit]

Adjective[edit]

deleterious (comparative more deleterious, superlative most deleterious)

  1. Harmful often in a subtle or unexpected way.
    deleterious effects
    deleterious to someone's health

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