activity

ac-tiv-i-ty · noun

imported

Definitions

noun

  1. 1.

    The condition of being active; energetic action or movement.

  2. 2.

    A thing that a person or group does or has done.

  3. 3.

    A pursuit in which a person is active.

  4. 4.

    [science]A thermodynamic quantity representing the effective concentration of a substance.

Forms

plural: activities

Phrases & expressions

  • •
    physical activity — Exercise or movement of the body.
  • •
    economic activity — Production, distribution, and consumption of goods.
  • •
    suspicious activity — Behavior that seems potentially illegal.
  • •
    a hive of activity — A very busy place.
  • •
    burst of activity — A sudden period of energetic action.

Related words

Antonyms: idleness, inactivity, passivity
See also: action, active, activities, inactivity
Synonyms: action, movement, occupation, pursuit

Etymology

From Latin activitas ("activity"), from activus ("active"), from actus ("a doing"), from agere ("to do, drive").