- 1negate something to stop something from having any effect synonym nullify Alcohol negates the effects of the drug.
- 2negate something to state that something does not exist
verbjump to other results
NAmE//nɪˈɡeɪt//(formal)Verb Forms present simple I / you / we / they negate
he / she / it negates
past simple negated
-ing form negating