1

buoy

play
noun \ˈbü-ē, ˈbȯi\

Definition of buoy

  1. 1 :  float 2; especially, nautical :  a floating object moored to the bottom to mark a channel or something (as a shoal) lying under the water swam out toward the buoy

  2. 2 :  life buoy

Illustration of buoy

Origin and Etymology of buoy

Middle English boye, probably from Middle Dutch boeye; akin to Old High German bouhhan sign — more at beacon


First Known Use: 13th century


2

buoy

verb

Definition of buoy

  1. transitive verb
  2. 1 :  to mark by or as if by a float or buoy buoy an anchor

  3. 2a :  to keep afloat a raft buoyed by empty oil drumsb :  support, uplift an economy buoyed by the dramatic postwar growth of industry — Time

  4. 3 :  to raise the spirits of —usually used with up hope buoys him up

  5. intransitive verb
  6. :  float —usually used with up They buoyed up like a cork.

Examples of buoy in a sentence

  1. The tax breaks should help to buoy the economy.

Origin and Etymology of buoy

see 1buoy


First Known Use: 1596


BUOY Defined for English Language Learners

1

buoy

play
noun \ˈbü-ē, ˈbȯi\

Definition of buoy for English Language Learners

  • : an object that floats on water in a lake, bay, river, etc., to show areas that are safe or dangerous for boats


2

buoy

verb

Definition of buoy for English Language Learners

  • : to cause (someone) to feel happy or confident

  • : to lift or improve (something)


BUOY Defined for Kids

1

buoy

play
noun \ˈbü-ē, ˈbȯi\

Definition of buoy for Students

  1. 1 :  a floating object anchored in a body of water to mark a channel or to warn of danger

  2. 2 :  life buoy


2

buoy

play
verb

Definition of buoy for Students

buoyed

;

buoying

  1. 1 :  to keep from sinking :  keep afloat

  2. 2 :  to brighten the mood of … if hope had not buoyed me up, I must have … given up. — Robert Louis Stevenson, Kidnapped



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