activity

noun

(countable) Something done as an action or a movement.

(countable) Something done for pleasure or entertainment, especially one involving movement or an excursion.

(uncountable) The state or quality of being active; activeness.

The property of substances to react with other substances

(grammar, semantics) The lexical aspect (aktionsart) of verbs or predicates that change over time and have no natural end point.

(physics) The number of radioactive decays per unit time. Unit for it: becquerel or curie

Roots

agoact- · Latin · do, drive

Synonyms for activity

actionn doingsn exercisen brisknessn exertionn movementsn

Synonyms & related words for activity

Find synonyms, related words, and the definition of activity — including action, doings, exercise, briskness, exertion, movements. Dendril is a free visual thesaurus that shows them on an interactive map where stronger matches sit closer to the center — no signup, no ads.

Words related to activity

Explore words related to activity — words associated with it, words that go with it, and its nearest matches in meaning. Related words include activeness, underactivity, active, inactivity, exercitation, blobbing, nonactive, neurogram. Click any word to make it the center of the map and keep exploring the web of connections.

Synonyms for activity

Common synonyms for activity include action, doings, exercise, briskness, exertion, movements — words that share a close meaning. Hover or tap any word on the map for its definition and part of speech.

Where does activity come from?

The word activity breaks down into one root of Latin origin: the root act-, from Latin ago (“do, drive”). Explore each root to see other English words built from the same source.