See more synonyms for supplemental on
  1. anything that is supplemental: supplementals attached to the bill in committee.

Origin of supplemental

First recorded in 1595–1605; supplement + -al1
Related formssup·ple·men·tal·ly, adverbnon·sup·ple·men·tal, adjectivenon·sup·ple·men·tal·ly, adverbpre·sup·ple·men·tal, adjectiveun·sup·ple·men·tal, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for supplemental

auxiliary, derivative, supporting, adscititious

Examples from the Web for supplemental

Contemporary Examples of supplemental

Historical Examples of supplemental

Word Origin and History for supplemental

c.1600, from supplement + -al (1). Related: Supplementally.

Online Etymology Dictionary, © 2010 Douglas Harper