transitive verb annihilated -·lat′ed, annihilating -·lat′·ing

1. to destroy completely; put out of existence; demolish an atomic bomb can annihilate a city
2. to consider or cause to be of no importance or without effect; nullify to annihilate another's ambition
3. to kill
4. to conquer decisively; crush

Etymology: < LL(Ec) annihilatus, pp. of annihilare, to bring to nothing < L ad, to + nihil, nothing