Definify.com

Webster 1913 Edition

Adj.

[LL.

deleterius

noxious, Gr.

δηλητήριος

, fr.

δηλεῖσθαι

to hurt, damage; prob. akin to L.

delere

to destroy.]

Hurtful; noxious; destructive; pernicious;

as, a

deleterious

plant or quality; a

deleterious

example.

–

Delˊe-te′ri-ous-ly

adv.

–

Delˊe-te′ri-ous-ness

Noun.

Adj.

[L. To blot out or destroy.]

Having the quality of destroying, or extinguishing life; destructive;poisonous; as a deleterious plant or quality.

Injurious; pernicious.