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adj. Twice as much in size, strength, number, or amount: a double dose.

adj. Composed of two like parts: double doors.

adj. Composed of two unlike parts; dual: a double meaning; a double role for an actor.

adj. Accommodating or designed for two: a double bed; a double room.

adj. Characterized by duplicity; deceitful: speak with a double tongue.

adj. Botany Having many more than the usual number of petals, usually in a crowded or an overlapping arrangement: a double chrysanthemum.

n. Something increased twofold.

n. One that closely resembles another; a duplicate.

n. An actor's understudy.

n. An actor who takes the place of another actor in scenes requiring special skills or preparations: a stunt double; a body double.

n. An apparition; a wraith.

n. A sharp turn in a direction of movement; a reversal.

n. A sharp, often devious change in position or argument; a shift.

n. Sports A form of a game, such as tennis or handball, having two players on each side.

n. Baseball See two-base hit.

n. Games A bid in bridge indicating strength to one's partner; a request for a bid.

n. Games A bid doubling one's opponent's bid in bridge, thus increasing the penalty for failure to fulfill the contract.

n. Games A hand justifying such a bid.

v. To make twice as great.

v. To be twice as much as: doubled the score of his opponent.

v. To fold in two.

v. To clench (one's fist).

v. To duplicate; repeat.

v. To turn (an enemy spy) into a double agent.

v. Baseball To cause the scoring of (a run) by hitting a two-base hit.

v. Baseball To advance or score (a runner) by hitting a two-base hit.

v. Baseball To put out (a runner) as the second part of a double play.

v. Games To challenge (an opponent's bid) with a double in bridge.

v. Music To duplicate (another part or voice) an octave higher or lower or in unison.

v. Nautical To sail around: double a cape.

verb-intransitive. To be increased twofold: The debt soon doubled.

verb-intransitive. To turn sharply or all the way around; reverse one's course: had to double back to touch the missed base.

verb-intransitive. To serve in an additional capacity: a frying pan that doubles as a pie tin; a conductor who doubles as a pianist.

verb-intransitive. To replace an actor in the actor's absence or in a certain scene.

verb-intransitive. Baseball To hit a two-base hit.

verb-intransitive. Games To announce a double in bridge.

ad. To twice the amount or extent; doubly: paid double for the customized car.

ad. Two together; in pairs: sleeping double.

ad. In two: bent double.

phrasal-verb. double up To bend suddenly, as in pain or laughter.

phrasal-verb. double up To share accommodations meant for one person.

idiom. on Immediately.

idiom. on In double time.

adj. Made up of two matching or complementary elements

adj. Twice the quantity

adj. Of a family relationship, related on both the maternal and paternal sides of a family

adj. Designed for two users.

adj. Folded in two; composed of two layers.

adj. Stooping; bent over.

adj. Having two aspects; ambiguous.

adj. False, deceitful, or hypocritical.

adj. Of flowers, having more than the normal number of petals.

adj. Of an instrument, sounding an octave lower.

adj. Of time, twice as fast.

ad. Twice over; twofold.

ad. Two together; two at a time. (especially in see double)

n. Twice the number, amount, size, etc.

n. A person who resembles and stands in for another person, often for safety purposes

n. A drink with two portions of alcohol

n. A two-base hit

n. A ghostly apparition of a living person; doppelgänger.

n. A sharp turn, especially a return on one's own tracks.

n. A call that increases certain scoring points if the last preceding bid becomes the contract.

n. A strike in which the object ball is struck so as to make it rebound against the cushion to an opposite pocket.

n. A bet on two horses in different races in which any winnings from the first race are placed on the horse in the later race.

n. The narrow outermost ring on a dartboard.

n. A hit on this ring.

n. A tile that has the same value (i.e., the same number of pips) in both sides.

n. A double-precision floating-point number.

n. Two competitions, usually one league and one cup, won by the same team in a single season.

n. The feat of scoring twice in one game.

n. A former French coin worth one-sixth of a sou.

n. A copper coin worth one-eighth of a penny.

v. To multiply by two

v. To fold over so as to make two folds

v. To get a two-base hit

v. (sometimes followed by up) To clench (a fist).

v. (often followed by together or up) To join or couple.

v. To repeat exactly; copy.

v. To play two parts or serve two roles.

v. To turn sharply; following a winding course.

v. To sail around (a headland or other point).

v. To duplicate (a part) either in unison or at the octave above or below it.

v. To be capable of performing (upon an additional instrument).

v. To make a call that will double certain scoring points if the preceding bid becomes the contract.

v. To cause (a ball) to rebound from a cushion before entering the pocket.

v. (followed by for) To act as substitute.

v. To go or march at twice the normal speed.

v. To increase by 100%, to become twice as large in size.

v. To multiply the strength or effect of by two.

adj. Twofold; multiplied by two; increased by its equivalent; made twice as large or as much, etc.

adj. Being in pairs; presenting two of a kind, or two in a set together; coupled.

adj. Divided into two; acting two parts, one openly and the other secretly; equivocal; deceitful; insincere.

adj. Having the petals in a flower considerably increased beyond the natural number, usually as the result of cultivation and the expense of the stamens, or stamens and pistils. The white water lily and some other plants have their blossoms naturally double.

ad. Twice; doubly.

v. To increase by adding an equal number, quantity, length, value, or the like; multiply by two.

v. To make of two thicknesses or folds by turning or bending together in the middle; to fold one part upon another part of; ; to clinch, as the fist; -- often followed by up.

v. To be the double of; to exceed by twofold; to contain or be worth twice as much as.

v. To pass around or by; to march or sail round, so as to reverse the direction of motion.

v. To unite, as ranks or files, so as to form one from each two.

verb-intransitive. To be increased to twice the sum, number, quantity, length, or value; to increase or grow to twice as much.

verb-intransitive. To return upon one's track; to turn and go back over the same ground, or in an opposite direction.

verb-intransitive. To play tricks; to use sleights; to play false.

verb-intransitive. To set up a word or words a second time by mistake; to make a doublet.

n. Twice as much; twice the number, sum, quantity, length, value, and the like.

n. Among compositors, a doublet (see Doublet, 2.); among pressmen, a sheet that is twice pulled, and blurred.

n. That which is doubled over or together; a doubling; a plait; a fold.

n. A turn or circuit in running to escape pursues; hence, a trick; a shift; an artifice.

n. A person or thing that is the counterpart of another; a duplicate; copy; (Obs.) transcript; -- now chiefly used of persons. Hence, a wraith.

n. A player or singer who prepares to take the part of another player in his absence; a substitute; -- used especially of a person who resembles an actor and takes the actor's place in scenes requiring special skills.

n. Double beer; strong beer.

n. A feast in which the antiphon is doubled, hat is, said twice, before and after the Psalms, instead of only half being said, as in simple feasts.

n. A game between two pairs of players.

n. An old term for a variation, as in Bach's Suites.

Consisting of two in a set together; being a pair; coupled; composed of two equivalent or corresponding parts; twofold: as, a double leaf; a double chin.

Having a twofold character or relation;comprising two things or subjects, either like or unlike; combining two in one: as, a double office; to play a double part on the stage or in society.

Twice as much or as large (according to some standard); multiplied by two; containing the same portion or measure, as to size, strength, etc., repeated: as, a vessel having double the capacity of another; a decoction of double strength; a double bed.

Of extra weight, thickness, size, or strength:as, double ale; a double letter.

Acting in a twofold manner; diverse in manifestation; characterized by duplicity; deceitful.

In botany, having the number of petals largely increased by a transformation of the stamens or pistils: applied to flowers.

In entomology, geminate; being in pairs.

In musical instruments, producing a tone an octave lower: as, a double bassoon, a double open diapason stop, etc.

Specifically, in a steam-engine, the production of both motions of the piston by the agency of live steam, applied to each face alternately, as distinguished from single action, in which the return motion of the piston is induced by atmospheric pressure or by the weight of the parts. See double-acting.

A multiple algebra in which the number of independent units is two.

A certain system of lines on a cubic surface.

n. A twofold quantity or size; a number, sum, value, or measure twice as great as the one taken as a standard.

n. A backward turn in running to escape pursuers.

n. Hence—3. A turn; a place where a doubling or turning is made, as by game in hunting.

n. A trick; a shift; an artifice to deceive.

n. Something precisely like another thing; a counterpart; a duplicate; an exact copy.

n. Hence— A person's apparition or spirit, appearing to himself or to another, as to admonish him of his approaching death; a wraith.

n. A fold or plait; a doubling.

n. Milit., a contraction of double-quick (which see).

n. In music: A variation.

n. A repetition of words in a song.

n. A turn.

n. In the opera, a singer fitted to supply the place of a principal in an emergency.

n. An instrument, or especially an organ-stop, sounding the octave below the usual pitch: as, to play an organ-piece with the doubles drawn (that is, with the 16-feet stops).

n. plural In change-ringing, changes on five bells: so called because two pairs of bells change places. Also called grandsire.

n. A size of Tavistock roofslates, 13 × 16 inches.

n. Eccles., a feast on which the antiphon is doubled; a double feast. See feast, and to double an antiphon, under double, transitive verb

n. In short whist, a game by which the winners score two points, their adversaries having scored only one or two to their five.

n. plural In lawn-tennis, games played by two on a side: opposed to singles, played by one on a side.

n. In printing, same as doublet.

n. plural Thick narrow ribbons for shoestrings and the like, usually made of silk or cotton.

Twice; doubly.

To make double; increase, enlarge, or extend by adding an equal portion, measure, or value to: as, to double a sum of money; to double the quantity or size of a thing; to double a task.

To be the double of; contain twice the number, quantity, or measure of, or twice as much as: as, the enemy's force doubles our own.

To bring or join together or side by side, as two parts of a thing, or two things of the same kind; lay or fold one part of upon another: as, to double a shawl or a curtain: often followed by an adverb of direction or manner: as, to double a blanket lengthwise or crosswise; to double up a file or files of soldiers, or teams of horses; to double over a leaf in a book; to double down the corner of a page.

To clench, as the hand.

To repeat; duplicate: as, to double a stroke.

To pass round or by; march or sail round, so as to proceed along both sides of: as, to double Cape Horn.

In music, to add the upper or lower octave to the tones of (the melody or harmony).

To increase to twice the sum, number, value, or measure; grow twice as great.

To turn in the opposite direction, or wind, in running.

To put on more effort or speed.

Milit., to march at the double-quick.

To play tricks; practise deception.

To elude (pursuers) by turning back in running.

n. In printing: Same as mackle.

n. In lawn-tennis, two successive faults in serving.

n. In base-ball, a play in which a fielder, either alone or with assistance, puts out two runners before the ball is returned to the pitcher for delivery.

n. In astronomy, two stars which seem one to the unaided eye, but which are seen separated through the telescope.

n. pl. Sheet-iron plates, from 0.020 to 0.035 of an inch thick, which are ready for tinning.

In the manufacture of spirituous liquors, to distil a second time (the low wines or weak spirit obtained in the first distillation), thus producing a liquid of in creased alcoholic strength.

In ship-building, to cover (a surface, particularly part of a deck or of the exterior of a vessel), with two thicknesses of plating or planking.

Milit., to move with the double-quick step.

In printing: In type-setting, to repeat words or lines through negligence.

In presswork, to make a second impression over the first.

In billiards, to cause an object-ball, almost invariably the first, to go to and return from a cushion, either for pocketing or for caroming.

In base-ball, to put out two men on one play. See double, n., 17.

n. a stand-in for movie stars to perform dangerous stunts

v. do double duty; serve two purposes or have two functions

adj. twice as great or many

adj. having more than one decidedly dissimilar aspects or qualities

v. bend over or curl up, usually with laughter or pain

v. hit a two-base hit

adj. consisting of or involving two parts or components usually in pairs

n. raising the stakes in a card game by a factor of 2

adj. having two meanings with intent to deceive

n. someone who closely resembles a famous person (especially an actor)

v. increase twofold

n. a base hit on which the batter stops safely at second base

v. bridge: make a demand for (a card or suit)

ad. downward and forward

v. make or do or perform again

ad. two together

adj. large enough for two

ad. to double the degree

adj. used of flowers having more than the usual number of petals in crowded or overlapping arrangements

adj. used of homologous chromosomes associated in pairs in synapsis

n. a quantity that is twice as great as another

"Restaurants should price LI bottles at much less than double retail while non-LI selections could be double+."

multiple    equivocal    ambiguous    big    large    double bass   

doubled    doubles    doubling   

reliever    stand-in    fill-in    backup man    substitute    backup    relief    work    operate    run   

ambiguous    insincere    folded    fold    defeat    avoid    couple    to double and twist    double joe    double points of a homographic transformation   

doublet   

doubled    doubling    stunt double    see double    body double    double-count   

twofold    coupled    equivocal    deceitful    insincere    twice    doubly    doubling    plait    fold   

Hubble    bubble    redouble    rubble    stubble    trouble   

single    small    additional    triple