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ENGLISH · A WORD WITH POSSIBILITIES

celerity.

Speed, swiftness.

8 characters4 syllables approx.English language

Meaning & usage

noun/sɪˈlɛɹɪti//səˈlɛr.ɪ.ti/US
  1. Speed, swiftness.

    uncountable · usually
  2. The speed of an individual wave (as opposed to the speed of groups of waves); often denoted c.

    uncountable · usually
  3. The speed of an individual wave (as opposed to the speed of groups of waves); often denoted c. The speed with which a perturbation to the flow propagates through the flow domain.

    uncountable · usually
  4. The speed of symbol transmission, now called baud rate.

    dated · uncountable · usually
Where this word comes from

Etymology tree Proto-Indo-European *kel-der. Latin celer Proto-Indo-European *-teh₂ Proto-Indo-European *-ts Proto-Indo-European *-teh₂ts Proto-Italic *-tāts Latin -tās Latin celeritāsder. Old French celeriteeder. English celerity From Old French celeritee (compare French célérité), from Latin celeritas, from celer (“fast, swift”).

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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.