Definition of Double

Noun

• raising the stakes in a card game by a factor of 2
  "I decided his double was a bluff"
  doubling
• a quantity that is twice as great as another
  "36 is the double of 18"
  
• someone who closely resembles a famous person (especially an actor)
  "he could be Gingrich's double"
  "she's the very image of her mother"
  image - look alike
• a stand-in for movie stars to perform dangerous stunts
  "his first job in Hollywood was as a double for Clark Gable"
  - stunt man - stunt woman
• a base hit on which the batter stops safely at second base
  "he hit a double to deep centerfield"
  - two base hit - two bagger - two baser

Verb

• make or do or perform again
  "He could never replicate his brilliant performance of the magic trick"
  duplicate reduplicate repeat replicate
• bridge: make a demand for (a card or suit)
  
• do double duty
  serve two purposes or have two functions
  "She doubles as his wife and secretary"
  
• bend over or curl up, usually with laughter or pain
  "He doubled and vomited violently"
  - double over - double up
• hit a two-base hit
  
• increase twofold
  "The population doubled within 50 years"
  duplicate

Adjective

• having two meanings with intent to deceive
  "a sly double meaning"
  "spoke with forked tongue"
  forked
• large enough for two
  "a double bed"
  "a double room"
  
• used of homologous chromosomes associated in pairs in synapsis
  bivalent
• 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"
  
• twice as great or many
  "ate a double portion"
  "the dose is doubled"
  "a twofold increase"
  doubled twofold - two fold
• 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"
  dual duple
• 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
  dual twofold - two fold treble threefold - three fold

Adverb

• to double the degree
  "she was doubly rewarded"
  "his eyes were double bright"
  doubly twice
• two together
  "some people sleep better double"
  
• downward and forward
  "he was bent double with pain"
  

• Scrabble® score of the double (9)
• Word Chums® score of the double (12)
• Words With Friends® score of the double (12)