• synonyms


[strawng-boks, strong-]
See more synonyms for strongbox on Thesaurus.com
  1. a strongly made, lockable box or chest for safeguarding valuable possessions, as money, jewels, or documents.
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Origin of strongbox

First recorded in 1675–85; strong + box1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for strongbox

depository, safe, coffer

Examples from the Web for strongbox

Historical Examples of strongbox

  • As for the Landgrave, there was a cool million in bullion in his strongbox.

    Little Journeys to the Homes of the Great, Volume 11 (of 14)

    Elbert Hubbard

  • So he kept it in his strongbox, where he thought it safe from prying eyes.

    Richard Carvel, Complete

    Winston Churchill

  • Checks confirm no bank accounts so a strongbox is suspected.

    The Land of Look Behind

    Paul Cameron Brown

  • Amazed by the boldness of his former employee, Mr. Parker immediately examined the contents of both his desk and strongbox.

    Ghost Beyond the Gate

    Mildred A. Wirt

  • "They" had not thought that this little dwelling-place was a strongbox and that it had flat bolts, both vertical and horizontal.

British Dictionary definitions for strongbox


  1. a specially designed box or safe in which valuables are locked for safety
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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