Dictionary
Find
in
Dictionary
Thesaurus
Translations

Click to move up the list of words
needn’t
needs
needs standard
needy
neem
neep
nefarious
neg.
negate
negation
negative
negative carry
negative covenant
negative divergence
negative equity
negative feedback
negative income tax
Click to move down the list of words
Print Preview
See pronunciation key
Search for "negate" in all of MSN Encarta
E-mail this entry
Blog about this entry on MSN Spaces
Download the MSN Encarta Right-Click Dictionary

negate

ne·gate [ nə gáyt ] (past and past participle ne·gat·ed, present participle ne·gat·ing, 3rd person present singular ne·gates)


transitive verb 
Definition:
 
1. invalidate something: to declare officially that something is invalid or ineffective, or make something invalid or ineffective ( formal )
Failure to disclose such a change of circumstances would automatically negate the policy.
a theory that negates all previous research

2. logic prove something is false: to deny the truth of something, or prove something to be false

[Early 17th century. < Latin negat-, past participle of negare "deny"]

ne·ga·tor noun

Word Key: Synonyms

See nullify.

Advertisement

Also on Encarta
Englishtown: Learn English online
Our Partners
Also on MSN
Encarta Message Boards (© Rubberball/Jupiterimages)
Shopping
© 2009 Microsoft