Disbelieve
Pronunciation : Dis`be*lieve"
Part of Speech : v.
Definition : Defn: Not to believe; to refuse belief or credence to; to hold not to be true or actual. Assertions for which there is abundant positive evidence are often disbelieved, on account of what is called their improbability or impossibility. J. S. Mill.
t. [imp. & p. p. Disbelieved; p. pr. & vb. n. Disbelieving.]
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder