- 1annihilate somebody/something/yourself to destroy someone or something completely The human race has enough weapons to annihilate itself.
- 2annihilate somebody/something to defeat someone or something completely She annihilated her opponent, who failed to win a single game.
NAmE//əˈnaɪəˌleɪt//Verb Forms present simple I / you / we / they annihilate
he / she / it annihilates
past simple annihilated
-ing form annihilating
annihilationjump to other results
NAmE//əˌnaɪəˈleɪʃn//noun [uncountable] the annihilation of the whole human race