Standard Lemma guide

supplementation

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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No pronunciation record was provided for this word.

1

noun

Meaning 1

The act of supplementing

Definition sources: English Wiktionary via Wiktextract · Princeton WordNet 3.0

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: subjunction, subjoining

Antonyms: none provided

Broader terms: expansion, expanding upon

2

noun

Meaning 2

Something added as a supplement

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

a quantity added (e.g. to make up for a deficiency)

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: supplement

Antonyms: none provided

Broader terms: increase, increment

History

Etymology

Etymology tree English supplement Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Latin -ātiōlbor. Old French -ationbor. Middle English -acioun English -ation English supplementation From supplement + -ation.