negate
/nɪˈɡeɪt/verb
To cancel out the effect of something, so that it no longer has any value or result.
Example sentences
- “Eating a huge dessert can negate the benefits of your workout.”
- “One late penalty negated all the progress the team had made.”
- “Rising prices have negated most of this year's pay raise.”
Formal, and the subject is usually a fact or event rather than a person: one thing negates another. In grammar, words like 'not' negate a sentence.