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bolster

American  
[bohl-ster] / ˈboʊl stər /

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.

  3. any pillow, cushion, or pad.

  4. Nautical.

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

    2. a timber used as a temporary support.

    3. a beam for holding lines or rigging without chafing.

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

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

  6. Masonry.

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

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

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

  8. 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 byup ).

    They bolstered their morale by singing.

    He bolstered up his claim with new evidence.

    Synonyms:
    fortify, reinforce, aid, sustain, strengthen
bolster British  
/ ˈbəʊlstə /

verb

  1. (often foll by up) to support or reinforce; strengthen

    to bolster morale

  2. to prop up with a pillow or cushion

  3. to add padding to

    to bolster a dress

"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

noun

  1. a long narrow pillow or cushion

  2. any pad or padded support

  3. 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

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

"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

Related Words

See cushion.

Other Word Forms

  • bolsterer noun
  • bolstering noun
  • unbolster verb (used with object)

Etymology

Origin of bolster

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In the third quarter last year, the American automaker Ford sold a record number of electric vehicles, bolstered by its popular Mustang Mach-E SUV and F-150 Lightning pickup truck.

From Los Angeles Times

England explained Jacks' selection by a need to bolster their batting.

From BBC

But Prime Minister Narendra Modi’s efforts to juice consumer spending and bolster India’s economy are showing signs of success, allowing him to hold the line in trade negotiations with the U.S.

From The Wall Street Journal

But all three indexes are headed towards double-digit annual gains, bolstered partly by enthusiasm surrounding artificial intelligence.

From Barron's

If the idea clicks with enough consumers, company executives are hopeful that their unique business model will bolster widespread EV adoption.

From Los Angeles Times