Definitions for "Annihilate"
To reduce to nothing or nonexistence; to destroy the existence of; to cause to cease to be.
To destroy the form or peculiar distinctive properties of, so that the specific thing no longer exists; as, to annihilate a forest by cutting down the trees.
To destroy or eradicate, as a property or attribute of a thing; to make of no effect; to destroy the force, etc., of; as, to annihilate an argument, law, rights, goodness.
Keywords:  plague, wiped, kill, population, entire
kill in large numbers; "the plague wiped out an entire population"
Annihilated.