activity.
The state or quality of being active; activeness.
Meaning & usage
The state or quality of being active; activeness.
Pit row was abuzz with activity.
Something done as an action or a movement.
The activity for the morning was a walk to the store.
Something done for pleasure or entertainment, especially one involving movement or an excursion.
An increasing number of sports activities are on offer at the university.
Quilting can be an enjoyable activity.
The lexical aspect (aktionsart) of verbs or predicates that change over time and have no natural end point.
The number of radioactive decays per unit time. Unit for it: becquerel or curie
The property of substances to react with other substances
Where this word comes from
Etymology tree Proto-Indo-European *h₂eǵ- Proto-Indo-European *-eti Proto-Indo-European *h₂éǵeti Proto-Italic *agō Latin agō Proto-Indo-European *-wós Proto-Indo-European *-iHwósder. Latin -īvus ▲ Ancient Greek ἐνεργητῐκός (energētĭkós)sl. Latin āctīvus Proto-Indo-European *-teh₂ Proto-Indo-European *-ts Proto-Indo-European *-teh₂ts Proto-Italic *-tāts Latin -tās Latin āctīvitāsder. Middle French activitébor. English activity From Middle French activité, from Latin activitas. Equivalent to active + -ity.
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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.