- something added to complete a thing, supply a deficiency, or reinforce or extend a whole.
- a part added to a book, document, etc., to supply additional or later information, correct errors, or the like.
- a part, usually of special character, issued as an additional feature of a newspaper or other periodical.
- Geometry. the quantity by which an angle or an arc falls short of 180° or a semicircle.
- to complete, add to, or extend by a supplement.
- to form a supplement or addition to.
- to supply (a deficiency).
Origin of supplement
SynonymsSee more synonyms on Thesaurus.com
Examples from the Web for supplementing
Unlike Social Security and Medicare, which were new programs, Obamacare would be supplementing and replacing current systems.Nixon, Obama, and How We Lost Trust in the U.S. Government
October 31, 2013
Supplementing a diet with bugs is not only nutritious but reduces pollution, the U.N. Food and Agriculture Organization writes.Cicadas, Grasshoppers, Locusts, Ants Among the Tastiest Insects
May 14, 2013
"Too slowly, since swords and pikes have to be supplementing its blade," said Gilbert.The Countess of Charny
Alexandre Dumas (pere)
Two passages from his diary, the second supplementing the first, supply the picture.Lausanne
Francis Henry Gribble
I shall only be supplementing what you told in your letters, Laura.Three Comedies
Bjrnstjerne M. Bjrnson
Miss Ellsling, on the stage, seemed to be supplementing this remark.Harlequin and Columbine
The other boy joined in at intervals, supplementing my remarks.Across the Prairie in a Motor Caravan
Frances Halton Eva Hasell
- an addition designed to complete, make up for a deficiency, etc
- a section appended to a publication to supply further information, correct errors, etc
- a magazine or section inserted into a newspaper or periodical, such as one with colour photographs issued every week
- either of a pair of angles whose sum is 180°
- an arc of a circle that when added to another arc forms a semicircleAbbreviation: sup, supp
- (tr) to provide a supplement to, esp in order to remedy a deficiency
Word Origin and History for supplementing
late 14c., from Latin supplementum "something added to supply a deficiency," from supplere (see supply (v.)).
1829, from supplement (n.). Related: Supplemented; supplementing.