annihilate meaning
EN
[əˈnaɪə.leɪt] 
US - VerbSGannihilatesPRannihilatingPT, PPannihilatedSUF-té
- To reduce to nothing, to benothing, to destroy, to eradicate.
- An atom bomb can annihilate a whole city.
- (particle physics) To react with antimatter, producing gamma radiation.
- (archaic) To treat as worthless, to vilify.
- To reduce to nothing, to benothing, to destroy, to eradicate.
Definition of annihilate in English Dictionary
- Part-of-Speech Hierarchy
- Verbs
- Verbs
- en annihilated
- en annihilates
Source: Wiktionary
Grammatically, this word "annihilate" is a verb.