Search Result for "disbelieve": 
Wordnet 3.0

VERB (1)

1. reject as false; refuse to accept;
[syn: disbelieve, discredit]

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3 definitions retrieved:

The Collaborative International Dictionary of English v.0.48:

Disbelieve \Dis`be*lieve"\, v. t. [imp. & p. p. Disbelieved; p. pr. & vb. n. Disbelieving.] Not to believe; to refuse belief or credence to; to hold not to be true or actual. [1913 Webster] Assertions for which there is abundant positive evidence are often disbelieved, on account of what is called their improbability or impossibility. --J. S. Mill. [1913 Webster]
WordNet (r) 3.0 (2006):

disbelieve v 1: reject as false; refuse to accept [syn: disbelieve, discredit] [ant: believe]
Moby Thesaurus II by Grady Ward, 1.0:

28 Moby Thesaurus words for "disbelieve": be skeptical, deny, discredit, distrust, doubt, eschew, gag on, misbelieve, mistrust, negate, not accept, not admit, not believe, not buy, not fall for, not go for, not swallow, question, refuse to admit, refuse to believe, refuse to credit, reject, resist believing, scoff, scorn, scout, suspect, unbelieve