negate

[ni-geyt, neg-eyt] /nɪˈgeɪt, ˈnɛg eɪt/
verb (used with object), negated, negating.
1.
to deny the existence, evidence, or truth of:
an investigation tending to negate any supernatural influences.
2.
to nullify or cause to be ineffective:
Progress on the study has been negated by the lack of funds.
verb (used without object), negated, negating.
3.
to be negative; bring or cause negative results:
a pessimism that always negates.
Origin
1615-25; < Latin negātus (past participle of negāre to deny, refuse), equivalent to neg- (variant of nec not; see neglect) + -ā- theme vowel + -tus past participle suffix
Related forms
negator, negater, noun
renegate, verb (used with object), renegated, renegating.
self-negating, adjective
unnegated, adjective
Examples from the web for negate
  • There are road blocks in their path that negate some of the advantages of youth.
  • Driving around the world as opposed to flying is meant to negate jet lag and culture shock.
  • Ignoring this will negate the gains this country and its people have achieved.
  • You negate your entire premise with your first paragraph.
  • Considering how easy it is to negate it, I see no reason in complaining about it.
  • Your one example does not negate the validity of what I'm saying.
  • But the study found that more experience and a tendency to take fewer risks helped negate any additional danger.
  • Using such an example would support the case for online education not negate it.
  • This might negate the ability of students in the classroom to ask questions.
  • People will have their preferences, but one doesn't negate the existence of the other.
British Dictionary definitions for negate

negate

/nɪˈɡeɪt/
verb (transitive)
1.
to make ineffective or void; nullify; invalidate
2.
to deny or contradict
Derived Forms
negator, negater, noun
Word Origin
C17: from Latin negāre, from neg-, variant of nec not + aio I say
Word Origin and History for negate
v.

1795 (with an isolated use from 1620s), back-formation from negation, or else from Latin negatus, past participle of negare. Related: Negated; negates; negating.