supplement.
Something added; especially, such an addition added to make up for a deficiency.
Meaning & usage
Something added; especially, such an addition added to make up for a deficiency.
An extension to a document or publication that adds information, corrects errors, or brings up to date.
An additional section of a newspaper devoted to a specific subject; an additional section of a journal issue, or an additional issue, for a similar purpose.
the literary supplement
An angle that, when added to a given angle, makes 180°; a supplementary angle.
A vitamin, herbal extract, or chemical compound ingested to meet dietary deficiencies or enhance muscular development; the dosage form that conveys or embodies it (e.g., tablet, capsule, pill, powder, beverage).
Vitamins, minerals, and essential fatty acids must come from either the diet or supplements.
Menstruators are likelier to need an iron supplement than non-menstruators, whose diet alone is usually sufficient.
A surcharge, additional cost, especially for food in a restaurant.
There is a £2 supplement if you choose the steak.
An adjunct that is nonessential, especially a supplementary relative clause.
Where this word comes from
From Latin supplementum (“that which is added to supply a shortage”), from supplere (“to provide something”).
To provide or make a supplement to something.
I supplement my income by working as a model.
Where this word comes from
From Latin supplementum (“that which is added to supply a shortage”), from supplere (“to provide something”).
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.