Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb double_up
3 senses of double up
Sense 1
double over, double, double up -- (bend over or curl up, usually with laughter or pain; "He doubled and vomited violently")
=> bend, flex -- (form a curve; "The stick does not bend")
Sense 2
double up -- (share a room or a bed designed for only one person)
=> share -- (use jointly or in common)
Sense 3
parlay, double up -- (stake winnings from one bet on a subsequent wager)
=> bet on, back, gage, stake, game, punt -- (place a bet on; "Which horse are you backing?"; "I'm betting on the new horse")