negate-v; 2 Senses

Sense Number 1: Make ineffective by counterbalancing the effect of.

Commentary: Syntax Is: NP1[actor] NEGATE NP2[actor]

Examples:
This one action negates all of my months of toil.
Her optimism negates his gloom.
The company said that improved results were negated by increased costs.

Mappings:
VerbNet: NP
FrameNet: NP
PropBank: negate.01

Sense Number 2: Deny the truth of, possibly by showing to be false.

Commentary: Syntax Includes: NP1[agent] NEGATE NP2[proposition] NP1[proposition] NEGATES NP2[proposition] NP1[agent] NEGATE NP2[patient]

Examples:
By this, he negates the existence of God.
His argument negates the claim that all creatures are inherently
kind.
You can't just negate 300 years of research by wishing it away!

Mappings:
VerbNet: NP
FrameNet: NP
PropBank: negate.01