DEFINITIONS
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supplementary

[ suhp-luh-men-tuh-ree ]
/ ˌsʌp ləˈmɛn tə ri /
SEE SYNONYMS FOR supplementary ON THESAURUS.COM

adjective

Also supplemental. of the nature of or forming a supplement; additional.

noun, plural sup·ple·men·ta·ries.

a person or thing that is supplementary.

Words related to supplementary

ancillary, auxiliary, increased, accompanying, extra, more, added, appended, augmenting

Words nearby supplementary

supplement, supplemental, supplemental air, supplemental plumage, supplemental security income, supplementary, supplementary angle, supplementary angles, supplementary story, supplementation, suppletion

Origin of supplementary

First recorded in 1660–70; supplement + -ary

OTHER WORDS FROM supplementary

non·sup·ple·men·ta·ry, adjectivepre·sup·ple·men·ta·ry, adjectiveun·sup·ple·men·ta·ry, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for supplementary

British Dictionary definitions for supplementary

supplementary
/ (ˌsʌplɪˈmɛntərɪ, -trɪ) /

adjective

forming or acting as a supplementAlso (less commonly): supplemental (ˌsʌplɪˈmɛntəl)

noun plural -ries

a person or thing that is a supplement

Derived forms of supplementary

supplementarily or rare supplementally, adverb
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