1. To pluck up by the roots; to root up; as, an oak tree eradicated.
2. To root out; to destroy utterly; to extirpate; as, to eradicate diseases, or errors. This, although now an old an inveterate evil, might be eradicated by vigorous treatment. (Southey)
Synonym: to extirpate, root out, exterminate, destroy, annihilate.
Origin: L. Eradicatus, p. P. Of eradicare to eradicate; e out – radix, radicis, root. See radical.