supplement

[ noun suhp-luh-muhnt; verb suhp-luh-ment ]
/ noun ˈsʌp lə mənt; verb ˈsʌp ləˌmɛnt /

noun

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.

verb (used with object)

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Origin of supplement

1350–1400; Middle English < Latin supplēmentum that by which anything is made full, equivalent to sup- sup- + plē- (stem of plēre to fill; see full1) + -mentum -ment

OTHER WORDS FROM supplement

sup·ple·ment·er, nounun·sup·ple·ment·ed, adjectivewell-sup·ple·ment·ed, adjective

WORDS THAT MAY BE CONFUSED WITH supplement

appendix index supplement (see synonym study at appendix)complement supplement (see synonym study at complement)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for supplementing

British Dictionary definitions for supplementing

supplement

noun (ˈsʌplɪmənt)

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
geometry
  1. either of a pair of angles whose sum is 180°
  2. an arc of a circle that when added to another arc forms a semicircleAbbreviation: sup, supp

verb (ˈsʌplɪˌmɛnt)

(tr) to provide a supplement to, esp in order to remedy a deficiency

Derived forms of supplement

supplementation, nounsupplementer, noun

Word Origin for supplement

C14: from Latin supplēmentum, from supplēre to supply 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012