twice
AdverbWordNet 3.0
Webster's Dictionary (GCIDE)
Twice \Twice\ (tw[imac]s), adv. [OE. twies (where the s is the adverbial ending; see -wards), twie, AS. twiges, twiwa; akin to twi- (in comp.) two, G. zwie-, OHG. zwi-, Icel. tv[imac]-, L. bi-, Gr. di-, Skr. dvi-, and E. two. See Two.] [1913 Webster]
1.Two times; once and again. [1913 Webster]
He twice essayed to cast his son in gold.— Dryden.[1913 Webster]
2.Doubly; in twofold quantity or degree; as, twice the sum; he is twice as fortunate as his neighbor. [1913 Webster]
Note: Twice is used in the formation of compounds, mostly self-explaining; as, twice-born, twice-conquered, twice-planted, twice-told, and the like. [1913 Webster]
The Devil's Dictionary
TWICE, adv. Once too often.