to eliminate or do away with completely (something)
We can try to eradicate ignorance by better teaching
to pull (something) up by the roots
eradicable adj
eradication /-ʹkaysh(ə)n/ noun
eradicative /-tiv/ adj
eradicator noun
[Latin eradicatus, past part. of eradicare, from ex-1 + radic-, radix root]