- One who annihilates.
Variant of annihilate
transitive verbannihilated, annihilating
- to destroy completely; put out of existence; demolish: an atomic bomb can annihilate a city
- to consider or cause to be of no importance or without effect; nullify: to annihilate another's ambition
- to kill
- to conquer decisively; crush
Origin of annihilate; from Ecclesiastical Late Latin annihilatus, past participle of annihilare, to bring to nothing ; from Classical Latin ad, to + nihil, nothing