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English definition of “buoy”

buoy

noun [C] uk   /bɔɪ/ us    /ˈbuː.i/
a floating object on the top of the sea, used for directing ships and warning them of possible dangerNavigation and shipwrecksBoats and sailing craftPassenger, cargo and military ships

buoy

verb uk   /bɔɪ/ us    /ˈbuː.i/

buoy verb (FLOAT)

[T] to prevent someone or something from sinking: The very salty water buoyed her (up) as she swam.Staying afloat, capsizing and sinkingPhysical supports and supportingArches, columns and beams

buoy verb (MAKE HAPPIER)

[T usually passive] to make someone feel happier or more confident about a situation: She was buoyed (up) by the warm reception her audience gave her.Encouraging and urging onInspiration and inspiring

buoy verb (MAKE SUCCESSFUL)

[T usually passive] to support something and make it more successful: House prices have been buoyed (up) in the area by the possibility of a new factory opening.Backing, supporting and defendingDefending and protecting
(Definition of buoy from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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