The feat of scoring twice in one game.
The narrow outermost ring on a dartboard.
Twice the number, amount, size, etc.
A ghostly apparition of a living person; a doppelgänger.
A two-base hit.
A strike in which the object ball is struck so as to make it rebound against the cushion to an opposite pocket.
Playing the same part on two instruments, alternately.
A sharp turn, especially a return on one's own tracks.
Synonym of double-quick (“fast marching pace”)
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.
A double-precision floating-point number.
A former French coin worth one-sixth of a sou.
A call that increases certain scoring points if the last preceding bid becomes the contract.
A double feast.
A redundant item for which an identical item already exists.
A tile that has the same value (i.e., the same number of pips) on both sides.
A person who resembles and stands in for another person, often for safety purposes
Two competitions, usually one league and one cup, won by the same team in a single season.
A drink with two portions of alcohol.
A hit on this ring.
A boat for two scullers.
The feat of winning two events in a single meet or competition.
A copper coin worth one-eighth of a penny.
Twice over; twofold; doubly.
Two together; two at a time. (especially in see double)
To get a two-base hit.
To act as substitute for (another theatrical performer in a certain role, etc).
To serve a second role or have a second purpose.
To turn sharply, following a winding course.
To increase by 100%, to become twice as large in size.
To fold over so as to make two folds.
To operate as a double agent.
To be the double of; to exceed by twofold; to contain or be worth twice as much as.
(often followed by together or up) To join or couple.
To be capable of performing (upon an additional instrument).
To play (both one part and another, in the same play, etc).
To double down.
To multiply by two.
(sometimes followed by up) To clench (a fist).
To make a call that will double certain scoring points if the preceding bid becomes the contract.
To transmit simultaneously on the same channel as another station, either unintentionally or deliberately, causing interference.
To multiply the strength or effect of by two.
To duplicate (a part) either in unison or at the octave above or below it.
To unite, as ranks or files, so as to form one from each two.
To repeat exactly; copy.
To sail around (a headland or other point).
To go or march at twice the normal speed.
To cause (a ball) to rebound from a cushion before entering the pocket.
Folded in two; composed of two layers.
Having two aspects; ambiguous.
False, deceitful, or hypocritical.
Stooping; bent over.
Of flowers, having more than the normal number of petals.
Of twice the quantity.
Of time, twice as fast.
Made up of two matching or complementary elements.
Of a family relationship, related on both the maternal and paternal sides of a family.
Designed for two users.
Of an instrument, sounding an octave lower.
A spectacular mark (catch) in Australian rules football.
To specify, especially in a formal specification document.