unconfutable

verb (used with object), con·fut·ed, con·fut·ing.

1. to prove to be false, invalid, or defective; disprove: to confute an argument.
2. to prove (a person) to be wrong by argument or proof: to confute one’s opponent.
3. Obsolete. to bring to naught; confound.

verb (tr)

1. to prove (a person or thing) wrong, invalid, or mistaken; disprove
2. obsolete to put an end to

v.1520s, from Middle French confuter, from Latin confutare “repress, check; disprove, restrain, silence,” from com-, intensive prefix (see com-), + *futare “to beat,” from PIE root *bhau- “to strike, beat” (see batter (v.)). Related: Confuted; confuting.