• synonyms


[duhb-uh l-chek]
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verb (used with or without object)
  1. to check twice or again; recheck.
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  1. a second examination or verification to assure accuracy, proper functioning, or the like.
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Origin of double-check

An Americanism dating back to 1950–55

double check

noun Chess.
  1. a simultaneous check by two pieces in which the moving of one piece to give check also results in discovering a check by another piece.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for double-check

confirm, verify, determine, divine, double-check, restate, renew, repeat, echo, authenticate, prove, substantiate, certify, corroborate, demonstrate, establish, check, justify, uphold, affirm

Examples from the Web for double-check

Contemporary Examples of double-check

Historical Examples of double-check

  • To double-check, he used the radius of the Galaxy as base to calculate the distance.

    Islands of Space

    John W Campbell

  • The crooked system of double-check tenders for timber limits must be altered.

    The Boss of Wind River

    David Goodger (goodger@python.org)

  • It might be a case of check and double-check, but the breaks were mostly on Suicide Sasebo's side.

    Dave Dawson on Guadalcanal

    Robert Sydney Bowen

  • "Well, all that was simply a check and double-check, you might say," Colonel Welsh said as his face became grave.

    Dave Dawson at Casablanca

    Robert Sydney Bowen

British Dictionary definitions for double-check


  1. to check twice or again; verify
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noun double check
  1. a second examination or verification
  2. chess a simultaneous check from two pieces brought about by moving one piece to give check and thereby revealing a second check from another piece
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for double-check


1958, from double (adj.) + check (v.). Related: Double-checked; double-checking.

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Online Etymology Dictionary, © 2010 Douglas Harper