I. ˈtwīs adverb
Etymology: Middle English twies, twys, from Old English twiges, from twiga, twiwa twice + -es -s; akin to Old English twi- — more at twi-
1. : for a first and second time : on two occasions
twice absent without leave
2. : two times : as multiplied by two : in doubled quantity, amount, or degree
twice two is four
would be guaranteed twice over — Newsweek
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- at twice
II. adjective
archaic : twofold