Entry 1 sense Webster, 1913 Indisputable /ĭnˌ-dĭs-pyo͞ot'-əb-əl/ · In·dis·pu·ta·ble · IPA /ˌɪn.dɪˈspju.tə.bəɫ/ 01 a. Not disputable; incontrovertible; too evident to admit of dispute. 1. Not disputable; incontrovertible; too evident to admit of dispute. Syn. Incontestable; unquestionable; incontrovertible; undeniable; irrefragable; certain; positive; undoubted; sure; infallible.