[dis-kuh n-furm]

verb (used with object)

to prove to be invalid.

Origin of disconfirm

First recorded in 1935–40; dis-1 + confirm
Related formsdis·con·fir·ma·tion [dis-kon-fer-mey-shuh n, dis-kon-] /dɪsˌkɒn fərˈmeɪ ʃən, ˌdɪs kɒn-/, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for disconfirm



(tr) (of a fact or argument) to suggest that a hypothesis is wrong or ill-formulated
Derived Formsdisconfirmation, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012