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“indisputably”
indisputably (adverb) (not comparable)
A description of how a fact or certain knowledge is beyond doubt; undeniably: It is indisputably true that most birds can fly, and that snow is white is also indisputably true!
This entry is located in the following units:
-ably
(page 7)
put-, puta-, -pute, -puter, -puting, -putate, -putation, -putative
(page 5)