disconfirm

[ dis-kuhn-furm ]
/ ˌdɪs kənˈfɜrm /

verb (used with object)

to prove to be invalid.

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Origin of disconfirm

First recorded in 1935–40; dis-1 + confirm

OTHER WORDS FROM disconfirm

dis·con·fir·ma·tion [dis-kon-fer-mey-shuhn, dis-kon-], /dɪsˌkɒn fərˈmeɪ ʃən, ˌdɪs kɒn-/, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for disconfirm

disconfirm
/ (ˌdɪskənˈfɜːm) /

verb

(tr) (of a fact or argument) to suggest that a hypothesis is wrong or ill-formulated

Derived forms of disconfirm

disconfirmation, 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