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double check

noun, Chess.
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.


[duhb-uh l-chek] /ˈdʌb əlˈtʃɛk/
verb (used with object), verb (used without object)
to check twice or again; recheck.
a second examination or verification to assure accuracy, proper functioning, or the like.
Origin of double-check
1950-55, Americanism Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for double check
  • If people are going to make comments on articles, they should provide where they got their sources, and double check their work.
  • Heck new airport scanner generate biometric could double check shirt and shoes are the correct size.
  • Oh, one thing double check the address they have for you.
  • double check with the company, and also have them check next reading to make sure no one has messed with the meter.
  • double check and make sure that the year of the end time didn't get messed up.
  • If your university or college has gotten smacked around recently for copyright issues, then double check.
  • So double check what they deliver, never let them near vital information and never give them credit.
  • For older kids, be sure to check and double check that they have everything they need.
  • Instead, plan ahead and double check all your accommodations.
  • Check and double check that you have your necessary paperwork for travel.
British Dictionary definitions for double check


to check twice or again; verify
a second examination or verification
(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
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
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Word Origin and History for double check



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

Online Etymology Dictionary, © 2010 Douglas Harper
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