negate
ne|gate /nɪg'eɪt/ (negates negating negated)
1 [VERB] V n
If one thing negates another, it causes that other thing to lose the effect or value that it had. (FORMAL)
These weaknesses negated his otherwise progressive attitude towards the staff.
≠ confirm
2 [VERB] V n
If someone negates something, they say that it does not exist. (FORMAL)
He warned that to negate the results of elections would only make things worse.
≠ affirm
1 [VERB] V n
If one thing negates another, it causes that other thing to lose the effect or value that it had. (FORMAL)
These weaknesses negated his otherwise progressive attitude towards the staff.
≠ confirm
2 [VERB] V n
If someone negates something, they say that it does not exist. (FORMAL)
He warned that to negate the results of elections would only make things worse.
≠ affirm