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ENGLISH · A WORD WITH POSSIBILITIES

buoyancy.

The upward force on a body immersed or partly immersed in a fluid.

8 characters2 syllables approx.English language

Meaning & usage

noun/ˈbɔɪ.ən.si/UK, US
  1. The upward force on a body immersed or partly immersed in a fluid.

    countable · uncountable
  2. The ability of an object to stay afloat in a fluid.

    countable · uncountable
  3. Resilience or cheerfulness.

    broadly · countable · figuratively · uncountable
Where this word comes from

From buoyant + -cy or buoy + -ancy.

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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.

Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.