negate
Word family
Longman Dictionary of Contemporary English 5++LDOCE 5++ne·gate /nɪˈɡeɪt/ AWL verb [transitive] formal 1 PREVENTto prevent something from having any effect 取消，使无效 Efforts to expand the tourist industry could be negated by reports that the sea is highly polluted. 有关海洋受到严重污染的报道可能会使拓展旅游业的努力完全白费。2. UNTRUEEXIST#to state that something does not exist or is untrue 否认，否定 SYN deny→ See Verb tableExamples from the Corpus
negate• Many of these emotions energize greater effort but others negate effort and lead to dissatisfaction, stress and withdrawal.• Given this view, most of the proposals introduced by the Reagan administration were designed to negate federal policy interventions.• The decision would negate last year's Supreme Court ruling.• Crimes of violence do not negate law, they merely require its better enforcement.• The word riot, she went on to say, negated the fact that organized resistance had taken place.• Any tinkering by users would negate the principle of a worldwide standard.• Within a few weeks, they accrue a debt that negates the salary their recruiter had promised them.• Each wave brought more floodwater through those broken windows, negating the work of sump-pumps.• The veto must be authorized by statute and may only negate what an Executive department or independent agency has proposed.• The witness's testimony negated what the defendant had claimed.Origin negate (1600-1700) Latin past participle of negare “to say no”, from neg- “no, not”ne·gate verbChineseSyllable
from prevent Corpus to having effect something any
negate
ne‧gate AC /nɪˈɡeɪt/
verb [transitive] formal
Efforts to expand the tourist industry could be negated by reports that the sea is highly polluted.
2. to state that something does not exist or is untrue
SYN deny
ne‧gate AC /nɪˈɡeɪt/
verb [transitive] formal Date: 1600-1700
Language: Latin
Origin: past participle of negare 'to say no', from neg- 'no, not'
1. to prevent something from having any effect:Language: Latin
Origin: past participle of negare 'to say no', from neg- 'no, not'
2. to state that something does not exist or is untrue
SYN deny