Del`e*te"ri*ous (?), a. [LL. deleterius noxious, Gr. , fr. to hurt, damage; prob. akin to L. delere to destroy.]

Hurtful; noxious; destructive; pernicious; as, a deleterious plant or quality; a deleterious example.

-- Del`e*te"ri*ous*ly, adv. -- Del`e*te"ri*ous*ness, n.

 

© Webster 1913.

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