twice as large, heavy, strong, etc.; twice as many in size, amount, number, extent, etc.:The workers receive double pay for working on Sundays. He ordered a double whiskey.
made up of two similar parts or members; paired[before a noun]a double sink.
Furniture suitable for two persons[usually: before a noun]We rented a double room.
having two meanings; ambiguous:His comment had a double meaning.
[usually: before a noun] hiding something dishonestly; deceitful:He led a double life, working by day and thieving by night.
folded in two layers.
anything that is twice the usual size, amount, strength, etc.: [uncountable]She offered me double for the computer.[countable]He ordered a double of scotch from the bar.
a person who exactly or closely resembles another[countable]She is the double of her mother.
[countable] a hotel room with two beds or a double bed, for two people.
Show Business a substitute who performs stunts in a movie or TV show that are too hazardous for a star[countable]a stunt double.
Sport[countable] Also called ˈtwo-ˌbase ˈhit. a hit in baseball that allows the batter to reach second base safely.
Sportdoubles,[uncountable; used with a singular verb] a game or match, as in tennis, in which there are two players on each side:a doubles match.
to (cause to) become double or twice as great; add an equal amount (of): [no object]Our taxes doubled over a one-year period.[~ + object]The landlord doubled our rent.
to fold or bend with one part over another: [~ + object]The mother doubled the sheets and blankets to keep the baby warmer.[~ + up/over + object]She doubled over the sheets and blankets to make the baby warmer.[~ + object + up/over]She doubled them up to keep the baby warmer.
to clench; hold tightly[~ + object]to double one's fists.
to pair; couple[~ + object]We doubled partners and began the country dance.
to do a second job in addition to one's primary job; to serve in an additional capacity[~ + as + object]The director doubles as an actor.
Sport[no object] to hit a double in baseball.
to double-date[no object]We doubled last week, but this week I want to go out with her alone.
double back, [no obj] to turn back on a course; reverse direction:I doubled back to see if I could find the missing earring.
[no object] to share quarters planned for only one person or family:You can stay with us; we'll all just double up.
Also,ˈdou•ble ˈo•ver. to (cause to) bend over, as from pain: [no object]As the next wave of pain hit, he doubled over.[~ + object + up/over]The pain doubled him up and left him gasping on the floor.[ ~ + over/up + obj]:A punch like that would double over anyone.
to twice the amount, extent, etc.; twofold:We paid double for that room.
two together:to sleep double.
Idiomsdouble or nothing, a bet in which one either wins twice as much as one has bet or gets nothing.
Idiomson the double, without delay; rapidly:Get up there on the double and report to the commander.