from The American Heritage® Dictionary of the English Language, 5th Edition.

  • intransitive verb To double.
  • intransitive verb To repeat.
  • intransitive verb Games To double the doubling bid of (an opponent) in bridge.
  • intransitive verb To become twice as great.
  • intransitive verb Games To double a double in bridge.

from The Century Dictionary.

  • In bridge, to double again. After the dealer's side has declared, if either adversary doubles, the maker of the trump or his partner can redouble. See bridge.
  • To double again or repeatedly; multiply; repeat often.
  • To increase by repeated or continued additions.
  • To repeat in return.
  • To become twice as much; be repeated; become greatly or repeatedly increased.

from the GNU version of the Collaborative International Dictionary of English.

  • transitive verb To double again or repeatedly; to increase by continued or repeated additions; to augment greatly; to multiply.
  • intransitive verb To become greatly or repeatedly increased; to be multiplied; to be greatly augmented.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • verb transitive To double, especially to double again; to increase considerably; to multiply; to intensify.
  • verb bridge, backgammon To double an opponent's doubling bid.
  • verb intransitive To become twice as big.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • verb make twice as great or intense
  • verb double in magnitude, extent, or intensity
  • verb double again


from Wiktionary, Creative Commons Attribution/Share-Alike License

re- +‎ double.


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