Cannot be challenged or denied; unquestionably true or valid. Something that is beyond doubt or argument.
From Latin 'in-' (not) + 'disputare' (to dispute), literally meaning 'not able to be disputed.' The word entered English in the 16th century, maintaining its sense of absolute certainty that cannot be contested.
Think of this as 'in-DISPUTE-able' but with the twist that it means NOT disputable! The prefix 'in-' here means 'not,' so if something is indisputable, you literally cannot dispute it—it's rock-solid fact.
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