follow Dictionary.com

Get the details behind our redesign

supplement

[n. suhp-luh-muh nt; v. suhp-luh-ment] /n. ˈsʌp lə mənt; v. ˈsʌp ləˌmɛnt/
noun
1.
something added to complete a thing, supply a deficiency, or reinforce or extend a whole.
2.
a part added to a book, document, etc., to supply additional or later information, correct errors, or the like.
3.
a part, usually of special character, issued as an additional feature of a newspaper or other periodical.
4.
Geometry. the quantity by which an angle or an arc falls short of 180° or a semicircle.
verb (used with object)
5.
to complete, add to, or extend by a supplement.
6.
to form a supplement or addition to.
7.
to supply (a deficiency).
Origin
1350-1400
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
Related forms
supplementer, noun
unsupplemented, adjective
well-supplemented, adjective
Can be confused
appendix, index, supplement (see synonym study at appendix)
complement, supplement (see synonym study at complement)
Synonyms
2. addendum, epilogue, postscript. See appendix. 5. See complement.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
British Dictionary definitions for un-supplemented

supplement

noun (ˈsʌplɪmənt)
1.
an addition designed to complete, make up for a deficiency, etc
2.
a section appended to a publication to supply further information, correct errors, etc
3.
a magazine or section inserted into a newspaper or periodical, such as one with colour photographs issued every week
4.
(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 semicircle Abbreviation sup, supp
verb (ˈsʌplɪˌmɛnt)
5.
(transitive) to provide a supplement to, esp in order to remedy a deficiency
Derived Forms
supplementation, noun
supplementer, noun
Word Origin
C14: from Latin supplēmentum, from supplēre to supply1
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
Cite This Source
Word Origin and History for un-supplemented
supplement
1382, from L. supplementum "something added to supply a deficiency," from supplere (see supply). The verb is first recorded 1829.
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source

Word of The Day

Difficulty index for supplement

Many English speakers likely know this word

Word Value for un

2
4
Scrabble Words With Friends

Quotes with un-supplemented