Disconfirm

verb

verb ·Rare ·Advanced level

Definitions

Verb
  1. 1
    To establish the falsity of a claim or belief; to show or to tend to show that a theory or hypothesis is not valid. transitive

    "The empirical data obtained in a test—or, as we shall prefer to say, the observation sentences describing those data—may then either confirm or disconfirm the given hypothesis, or they may be neutral with respect to it."

Synonyms

All synonyms
belieblow upbreakconfoundconfutecontradict

Example

More examples

"The empirical data obtained in a test—or, as we shall prefer to say, the observation sentences describing those data—may then either confirm or disconfirm the given hypothesis, or they may be neutral with respect to it."

Etymology

From dis- + confirm.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.