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Definition of activity

activity

/ækˈtɪv.ə.ti/
ac · tiv · i · ty

Adverb:actively
•
Plural:activities
•
Adjective:active
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activity Lexical Profile

activity Game Scores & Validity

• noun

1

The condition in which things are happening, moving, or being done; lively action or movement.

Example

"The trading floor was a hub of frantic activity throughout the morning session."


2

A specific thing that a person or group does, especially for recreation, education, or a particular purpose.

Example

"The summer camp offers a wide range of outdoor activities, including kayaking and archery."


3

The degree to which a chemical substance, enzyme, or radioactive material is effective or reactive.

Example

"Researchers measured the catalytic activity of the enzyme at various temperatures."

Synonyms
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Antonyms
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• Rhymes for activity

Word Origin & Etymology

Borrowed in the late 14th century from Old French activité or Medieval Latin activitas, derived from the Latin adjective activus ('active'), from the verb agere ('to do, act, or drive').

Cite this Entry


Wordmom. (2026). Definition of Activity. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/activity
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