buoy

1 of 2

noun

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

Illustration of buoy

Illustration of buoy
  • buoy 1

buoy

2 of 2

verb

buoyed; buoying; buoys

transitive verb

1
: to mark by or as if by a float or buoy
buoy an anchor
2
a
: to keep afloat
a raft buoyed by empty oil drums
b
: support, uplift
an economy buoyed by the dramatic postwar growth of industryTime
3
: to raise the spirits of
usually used with up
hope buoys him up

intransitive verb

: float
usually used with up
They buoyed up like a cork.

Examples of buoy in a Sentence

Verb The tax breaks should help to buoy the economy.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
Instead, buoys bob on the surface while, seven feet below, long lines of kelp stretch through the frigid Atlantic waters. Heide Brandes, thehustle.co, 24 Jan. 2025 In the future, Watch Duty hopes to explore the use of other types of data, such as river gauges, tsunami buoys and earthquakes. Wendy Lee, Los Angeles Times, 9 Jan. 2025
Verb
The Chinese company's tech is raising questions about whether demand for Nvidia's chips could take a hit, as well as whether investors are overvaluing tech stocks that have been buoyed by the promise of AI, from Meta to Microsoft, experts said. Aimee Picchi, CBS News, 27 Jan. 2025 Andrews’ spirit has also been buoyed thanks to a seemingly unlikely source — Bills Mafia. Anna Lazarus Caplan, People.com, 24 Jan. 2025 See all Example Sentences for buoy 

Word History

Etymology

Noun and Verb

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

First Known Use

Noun

13th century, in the meaning defined at sense 1

Verb

1596, in the meaning defined at transitive sense 1

Time Traveler
The first known use of buoy was in the 13th century

Dictionary Entries Near buoy

Cite this Entry

“Buoy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/buoy. Accessed 30 Jan. 2025.

Kids Definition

buoy

1 of 2 noun
1
: a floating object anchored in a body of water to mark a channel or warn of danger
2

buoy

2 of 2 verb
1
: to keep from sinking : keep afloat
2
: to brighten the mood of
the news buoyed him up
Last Updated: - Updated example sentences
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