negate

Definition of Negate in English :

1. belie, contradict, negate

be in contradiction with

deny the truth of

3. contradict, negate

prove negative; show to be false

make ineffective by counterbalancing the effect of

Example Sentences:
'Her optimism neutralizes his gloom'
'This action will negate the effect of my efforts'

WordNet Lexical Database for English. Princeton University. 2010.

Negate

verb (transitive)

1.

to make ineffective or void; nullify; invalidate

2.

to deny or contradict

verb transitiveWord forms: neˈgated or neˈgating

1.

to deny the existence or truth of

2.

to make ineffective

tr.v. ne·gat·ed, ne·gat·ing, ne·gates

1. To make ineffective or invalid; nullify: a wage increase that was negated by inflation; a goal that was negated by an official's ruling.

2. To make negative: In German, sentences can be negated by using the word "nicht."

3. Computers To perform the machine logic operation NOT gate.