Meaning of “bolster” in the English Dictionary

"bolster" in British English

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bolsterverb [ T ]

uk /ˈbəʊl.stər/ us /ˈboʊl.stɚ/

to support or improve something or make it stronger:

More money is needed to bolster the industry.
She tried to bolster my confidence/morale (= encourage me and make me feel stronger) by telling me that I had a special talent.
They need to do something to bolster their image.

bolsternoun [ C ]

uk /ˈbəʊl.stər/ us /ˈboʊl.stɚ/

a long firm cylinder-shaped pillow

(Definition of “bolster” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"bolster" in American English

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bolsterverb [ T ]

us /ˈboʊl·stər/

bolster verb [ T ] (SUPPORT)

to support something, or make something stronger:

The UN is sending more troops to bolster the peacekeepers.

bolsternoun [ C ]

us /ˈboʊl·stər/

bolster noun [ C ] (OBJECT ON BED)

a long pillow (= cloth bag filled with material), usually shaped like a tube

(Definition of “bolster” from the Cambridge Academic Content Dictionary © Cambridge University Press)