Princeton's WordNet

1. double, two-base hit, two-bagger, two-baser(noun)

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

   "he hit a double to deep centerfield"

2. double, stunt man, stunt woman(noun)

   a stand-in for movie stars to perform dangerous stunts

   "his first job in Hollywood was as a double for Clark Gable"

3. double, image, look-alike(noun)

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

   "he could be Gingrich's double"; "she's the very image of her mother"

4. double(noun)

   a quantity that is twice as great as another

   "36 is the double of 18"

5. doubling, double(adj)

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

   "I decided his double was a bluff"

6. double, dual, twofold, two-fold, treble, threefold, three-fold(adj)

   having more than one decidedly dissimilar aspects or qualities

   "a double (or dual) role for an actor"; "the office of a clergyman is twofold; public preaching and private influence"- R.W.Emerson; "every episode has its double and treble meaning"-Frederick Harrison

7. double, dual, duple(adj)

   consisting of or involving two parts or components usually in pairs

   "an egg with a double yolk"; "a double (binary) star"; "double doors"; "dual controls for pilot and copilot"; "duple (or double) time consists of two (or a multiple of two) beats to a measure"

8. double, doubled, twofold, two-fold(adj)

   twice as great or many

   "ate a double portion"; "the dose is doubled"; "a twofold increase"

9. double(adj)

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

   "double chrysanthemums have many rows of petals and are usually spherical or hemispherical"

10. bivalent, double(adj)

    used of homologous chromosomes associated in pairs in synapsis

11. double(adj)

    large enough for two

    "a double bed"; "a double room"

12. double, forked(verb)

    having two meanings with intent to deceive

    "a sly double meaning"; "spoke with forked tongue"

13. double, duplicate(verb)

    increase twofold

    "The population doubled within 50 years"

14. double(verb)

    hit a two-base hit

15. double over, double, double up(verb)

    bend over or curl up, usually with laughter or pain

    "He doubled and vomited violently"

16. double(verb)

    do double duty; serve two purposes or have two functions

    "She doubles as his wife and secretary"

17. double(verb)

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

18. duplicate, reduplicate, double, repeat, replicate(adverb)

    make or do or perform again

    "He could never replicate his brilliant performance of the magic trick"

19. double(adverb)

    downward and forward

    "he was bent double with pain"

20. double(adverb)

    two together

    "some people sleep better double"

21. doubly, double, twice(adverb)

    to double the degree

    "she was doubly rewarded"; "his eyes were double bright"

Kernerman English Learner's Dictionary

1. double(adjective)ˈdʌb əl

   having two of sth or having two parts

   a double-headed monster; a double identity

2. doubleˈdʌb əl

   twice the usual size or amount

   double chocolate frosting

3. doubleˈdʌb əl

   for two people or things

   a double bed/room; a double garage

4. double(determiner)ˈdʌb əl

   twice as many or twice as much

   the same cost, but double the risk

5. double(verb)ˈdʌb əl

   to increase by twice the number or amount

   Hurricanes have doubled in frequency in the last century.; to double the minimum wage

6. double(noun)ˈdʌb əl

   a person who looks the same as sb else

   He's the double of his older brother.

7. doubleˈdʌb əl

   sth that is twice the usual number or amount

   One espresso and one double, please.

Wiktionary

1. double(Noun)

   Twice the number, amount, size, etc.

2. double(Noun)

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

   Saddam Hussein was rumored to have many doubles.

3. double(Noun)

   A drink with two portions of alcohol

   On second thought, make that a double.

4. double(Noun)

   A two-base hit

   The catcher hit a double to lead off the ninth.

5. double(Noun)

   A ghostly apparition of a living person; doppelgu00E4nger.

6. double(Noun)

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

7. double(Noun)

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

8. double(Noun)

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

9. double(Noun)

   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.

10. double(Verb)

    To multiply by two

    The company doubled their earnings per share over last quarter.

11. double(Verb)

    To fold over so as to make two folds

    To make a pleat, double the material at the waist.

12. double(Verb)

    To get a two-base hit

    The batter doubled into the corner.

13. double(Verb)

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

14. double(Verb)

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

15. double(Verb)

    To repeat exactly; copy.

16. double(Verb)

    To play two parts or serve two roles.

17. double(Verb)

    To turn sharply; following a winding course.

18. double(Verb)

    To sail around (a headland or other point).

19. double(Noun)

    The narrow outermost ring on a dartboard.

20. double(Noun)

    A hit on this ring.

21. double(Noun)

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

22. double(Noun)

    Short form of double-precision floating-point number.

    The sin() function returns a double.

23. double(Noun)

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

24. double(Noun)

    The feat of scoring twice in one game.

25. double(Noun)

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

26. double(Noun)

    A copper coin worth one-eighth of a penny.

27. double(Verb)

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

28. double(Verb)

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

29. double(Verb)

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

30. double(Verb)

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

31. double(Verb)

    (foll. by for) To act as substitute.

32. double(Verb)

    To go or march at twice the normal speed.

33. double(Verb)

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

    Our earnings have doubled in the last year.

34. double(Verb)

    To multiply the strength or effect of by two.

    Sorry, this store does not double coupons.

35. double(Adverb)

    Twice over; twofold.

36. double(Adverb)

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

37. double(Adjective)

    Made up of two matching or complementary elements

    The closet has double doors.

38. double(Adjective)

    Twice the quantity

    Give me a double serving of mashed potatoes.

39. double(Adjective)

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

    He's my double cousin as my mother's sister married my father's brother.

40. double(Adjective)

    Designed for two users.

    a double room

41. double(Adjective)

    Folded in two; composed of two layers.

42. double(Adjective)

    Stooping; bent over.

43. double(Adjective)

    Having two aspects; ambiguous.

    a double meaning

44. double(Adjective)

    False, deceitful, or hypocritical.

    a double life

45. double(Adjective)

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

46. double(Adjective)

    Of an instrument, sounding an octave lower.

    a double bass

47. double(Adjective)

    Of time, twice as fast.

Origin: 13th Century. From doble, double, from duplus.

Webster Dictionary

1. Double(adj)

   twofold; multiplied by two; increased by its equivalent; made twice as large or as much, etc

2. Double(adj)

   being in pairs; presenting two of a kind, or two in a set together; coupled

3. Double(adj)

   divided into two; acting two parts, one openly and the other secretly; equivocal; deceitful; insincere

4. Double(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

5. Double(adverb)

   twice; doubly

6. Double(adj)

   to increase by adding an equal number, quantity, length, value, or the like; multiply by two; to double a sum of money; to double a number, or length

7. Double(adj)

   to make of two thicknesses or folds by turning or bending together in the middle; to fold one part upon another part of; as, to double the leaf of a book, and the like; to clinch, as the fist; -- often followed by up; as, to double up a sheet of paper or cloth

8. Double(adj)

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

9. Double(adj)

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

10. Double(adj)

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

11. Double(verb)

    to be increased to twice the sum, number, quantity, length, or value; to increase or grow to twice as much

12. Double(verb)

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

13. Double(verb)

    to play tricks; to use sleights; to play false

14. Double(verb)

    to set up a word or words a second time by mistake; to make a doublet

15. Double(noun)

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

16. Double(noun)

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

17. Double(noun)

    that which is doubled over or together; a doubling; a plait; a fold

18. Double(noun)

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

19. Double(noun)

    something precisely equal or counterpart to another; a counterpart. Hence, a wraith

20. Double(noun)

    a player or singer who prepares to take the part of another player in his absence; a substitute

21. Double(noun)

    double beer; strong beer

22. Double(noun)

    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

23. Double(noun)

    a game between two pairs of players; as, a first prize for doubles

24. Double(noun)

    an old term for a variation, as in Bach's Suites

• dubbelAfrikaans
• مُضاعَفArabic
• двоенBulgarian
• duploPortuguese (BR)
• dvojitýCzech
• doppeltGerman
• dobbeltDanish
• διπλός, διπλάσιοςGreek
• dobleSpanish
• kahekordne, topelt-Estonian
• دوبرابرFarsi
• kaksinkertainenFinnish
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• כָּפוּלHebrew
• दुगुना, दोहराHindi
• dvostruki, dupliCroatian
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• dua kali lipatIndonesian
• tvöfaldurIcelandic
• doppioItalian
• ２倍のJapanese
• 2배의Korean
• dvigubasLithuanian
• dubultsLatvian
• dua kali gandaMalay
• dubbelDutch
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• podwójnyPolish
• دوبرابرPersian
• ډبل، دوه ګون، غبرګ: دوه برخيزه: دوه ژبى (هغه سړى چه په خوله يې يوه او په زړه يې بله وىPashto
• duploPortuguese
• du­bluRomanian
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• dubbel, storSwedish
• การเพิ่มเป็นสองเท่าThai
• duble, iki katıTurkish
• 兩倍的Chinese (Trad.)
• подвійнийUkrainian
• وزن یا حجم میں دوگناUrdu
• gấp đôiVietnamese
• 两倍的Chinese (Simp.)