[ bohl-ster ]
/ ˈboʊl stər /


verb (used with object)

to support with or as with a pillow or cushion.
to add to, support, or uphold (sometimes followed by up): They bolstered their morale by singing. He bolstered up his claim with new evidence.

Origin of bolster

before 1000; Middle English bolstre (noun), Old English bolster; cognate with Old Norse bolstr, Dutch bolster, German Polster


bol·ster·er, nounun·bol·ster, verb (used with object)un·bol·stered, adjective

synonym study for bolster

1. See cushion. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for bolster

British Dictionary definitions for bolster

/ (ˈbəʊlstə) /

verb (tr)

(often foll by up) to support or reinforce; strengthento bolster morale
to prop up with a pillow or cushion
to add padding toto bolster a dress


Derived forms of bolster

bolsterer, nounbolstering, noun, adjective

Word Origin for bolster

Old English bolster; related to Old Norse bolstr, Old High German bolstar, Dutch bulster
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