Phrase guide

law of diminishing returns

noun · 3 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

The tendency for a continuing effort toward a particular goal to decline in effectiveness after a certain amount of success has been achieved.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A relationship between input and output, such that adding units of any one input (labour, capital etc.) to fixed amounts of the others will yield successively smaller increments of output.

Definition source: English Wiktionary via Wiktextract

Topics: economics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

a law affirming that to continue after a certain level of performance has been reached will result in a decline in effectiveness

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: law, law of nature

History

Etymology

No etymology was provided for this word.