Nullify — synonyms, definition

1. nullify (Verb)

abate abolish abort abrogate annul anticipate avoid cancel disallow divorce fail forestall hinder intercept interrupt invalidate negate neutralise neutralize obviate • • •

nullify (Verb) — Declare invalid. ex. "The contract was nullified"

nullify (Verb) — Show to be invalid.

nullify (Verb) — Make ineffective by counterbalancing the effect of. ex. "Her optimism nullifies his gloom"

cancel contradict negate strike down weaken break stet