noun sup·ple·ment \ˈsə-plə-mənt\

: something that is added to something else in order to make it complete

: an extra part that is added to a book or newspaper

: an amount of money that must be paid in addition to the regular price

Full Definition of SUPPLEMENT

a :  something that completes or makes an addition
b :  dietary supplement
:  a part added to or issued as a continuation of a book or periodical to correct errors or make additions
:  an angle or arc that when added to a given angle or arc equals 180°

Examples of SUPPLEMENT

  1. the supplement to the encyclopedia
  2. First-class accommodation is available for a supplement.


Middle English, from Latin supplementum, from supplēre to fill up, complete — more at supply
First Known Use: 14th century

Other Pharmacology Terms

anodyne, cathartic, emetic, emollient, liniment, paregoric, poultice, purgative, soporific, spectrum


transitive verb sup·ple·ment \ˈsə-plə-ˌment\

: to add something to (something) in order to make it complete

Full Definition of SUPPLEMENT

:  to add or serve as a supplement to <does odd jobs to supplement his income>
sup·ple·men·ta·tion \ˌsə-plə-ˌmen-ˈtā-shən, -mən-\ noun
sup·ple·ment·er \ˈsə-plə-ˌmen-tər\ noun

Examples of SUPPLEMENT

  1. She began supplementing her diet with vitamins.

First Known Use of SUPPLEMENT



Next Word in the Dictionary: supplementalPrevious Word in the Dictionary: supplejackAll Words Near: supplement
May 24, 2015
erudite Hear it
learned or pedantic
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears