Phrase guide

activity theory

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

A line of eclectic social science theories and research with its roots in a Soviet theory pioneered by Sergei Rubinstein in the 1930s, seeking to understand human activities as systemic and socially situated phenomena and to go beyond paradigms of reflexology and classical conditioning.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The theory that the human ageing process is delayed, and the quality of life enhanced, in people who stay active and maintain social interactions.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: human-sciences, psychology, sciences

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Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

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