bolster

[ bohl-ster ]
See synonyms for: bolsterbolsteredbolstering on Thesaurus.com

noun
  1. a long, often cylindrical, cushion or pillow for a bed, sofa, etc.

  2. anything resembling this in form or in use as a support.

  1. any pillow, cushion, or pad.

  2. Nautical.

    • Also called bolster plate . a circular casting on the side of a vessel, through which an anchor chain passes.

    • a timber used as a temporary support.

    • a beam for holding lines or rigging without chafing.

    • a bag filled with buoyant material, fitted into a small boat.

  3. Metalworking. an anvillike support for the lower die of a drop forge.

  4. Masonry.

    • a timber or the like connecting two ribs of a centering.

    • a chisel with a blade splayed toward the edge, used for cutting bricks.

  5. Carpentry. a horizontal timber on a post for lessening the free span of a beam.

  6. a structural member on which one end of a bridge truss rests.

verb (used with object)
  1. to support with or as with a pillow or cushion.

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

Origin of bolster

1
First recorded before 1000; Middle English bolstre (noun), Old English bolster; cognate with Old Norse bolstr, Dutch bolster, German Polster

synonym study For bolster

1. See cushion.

Other words for bolster

Other words from bolster

  • bol·ster·er, noun
  • un·bol·ster, verb (used with object)

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use bolster in a sentence

  • This, Braceway knew, was why she had advanced him money, bolstering up one mistake with another.

    The Winning Clue | James Hay, Jr.
  • She was asking Petrarch to do her an inestimable service by bolstering up her third-rate university.

  • But the Noelites were far too vitiated in taste to be long content with mere bolstering or harmless games.

    St. Winifred's | Frederic W. Farrar
  • "At present she's bolstering up two or three dozen people who are only received on the strength of her name," Oakleigh replied.

    Lady Lilith | Stephen McKenna

British Dictionary definitions for bolster

bolster

/ (ˈbəʊlstə) /


verb(tr)
  1. (often foll by up) to support or reinforce; strengthen: to bolster morale

  2. to prop up with a pillow or cushion

  1. to add padding to: to bolster a dress

noun
  1. a long narrow pillow or cushion

  2. any pad or padded support

  1. architect a short horizontal length of timber fixed to the top of a post to increase the bearing area and reduce the span of the supported beam

  2. a cold chisel having a broad blade splayed towards the cutting edge, used for cutting stone slabs, etc

Origin of bolster

1
Old English bolster; related to Old Norse bolstr, Old High German bolstar, Dutch bulster

Derived forms of bolster

  • bolsterer, noun
  • bolstering, noun, adjective

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