double [ 'dʌbl ]

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

    "he hit a double to deep centerfield"

    同义词： two-base hit two-bagger two-baser

  • a stand-in for movie stars to perform dangerous stunts

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

    同义词： stunt man stunt woman

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

    "he could be Gingrich's double"

    同义词： image look-alike

  • a quantity that is twice as great as another

    "36 is the double of 18"

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

    "I decided his double was a bluff"

    同义词： doubling

• v.
  • increase twofold

    "The population doubled within 50 years"

    同义词： duplicate

  • hit a two-base hit
  • bend over or curl up, usually with laughter or pain

    "He doubled and vomited violently"

    同义词： double over double up

  • do double duty; serve two purposes or have two functions

    "She doubles as his wife and secretary"

  • bridge: make a demand for (a card or suit)
  • make or do or perform again

    同义词： duplicate reduplicate repeat replicate

• adj.
  • having more than one decidedly dissimilar aspects or qualities

    "a double (or dual) role for an actor"; "every episode has its double and treble meaning"

    同义词： dual twofold two-fold treble threefold three-fold

  • consisting of or involving two parts or components usually in pairs

    "an egg with a double yolk"; "a double (binary) star"; "double doors"; "duple (or double) time consists of two (or a multiple of two) beats to a measure"

    同义词： dual duple

  • twice as great or many

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

    同义词： doubled twofold two-fold

  • 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"

  • used of homologous chromosomes associated in pairs in synapsis

    同义词： bivalent

  • large enough for two

    "a double bed"; "a double room"

  • having two meanings with intent to deceive

    "a sly double meaning"

    同义词： forked

• adv.
  • downward and forward

    "he was bent double with pain"

  • two together

    "some people sleep better double"

  • to double the degree

    "his eyes were double bright"

    同义词： doubly twice

以上来源于: WordNet