supplementary

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adjective

Additional; added to supply what is wanted.

Similar
auxiliarysubsidiarysupplementalsecondaryadditive
CommonScrabble 22
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Meanings

adjectivesupplementary (comparative more supplementary, superlative most supplementary)

comparative more supplementary · superlative most supplementary

  1. Additional; added to supply what is wanted.

    Thus, leucine is already being seen as a pharmaconutrient of great relevance for the supplementary feeding of malnourished and frail elderly and for specific subpopulations.

    2015 October 15, “Buffalo Cheese Whey Proteins, Identification of a 24 kDa Protein and Characterization of Their Hydrolysates: In Vitro Gastrointestinal Digestion”, in PLOS ONE, →DOI
nounsupplementary (plural supplementaries)

plural supplementaries

  1. Something additional; an extra.

Synonyms & antonyms

adjectivefunctioning in a supporting capacity

Similar
auxiliarysubsidiarysupplementalsecondary

adjectiveadded to complete or make up a deficiency

Similar
supplementaladditive
Also see
additionalauxiliarysubsidiarysupplemental

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

From supplement + -ary; compare French supplémentaire.

Full word history & related roots →

Translations

Arabic إِضَافِيّ
  • إِضَافِيّ (ʔiḍāfiyy)additional
Bulgarian допълнителен
  • допълнителен (dopălnitelen)additional
Catalan suplementari
  • suplementariadditional
Chinese Mandarin 补充的, 追加的
  • 补充的 (bǔchōng de)additional
  • 追加的 (zhuījiā de)additional
Czech dodatečný
  • dodatečnýadditional
Dutch aanvullend
  • aanvullendadditional
Esperanto aldona
  • aldonaadditional
Finnish täydentävä, lisä-
  • täydentäväadditional
  • lisä-additional
  • täydennys-additional
French supplémentaire
  • supplémentaireadditional
German zusätzlich
  • zusätzlichadditional
Hungarian kiegészítő
  • kiegészítőadditional
Italian supplementare, addizionale
  • supplementareadditional
  • addizionaleadditional
Japanese 補足の
  • 補足の (hosoku no)additional
Norwegian Bokmål supplerende
  • supplerendeadditional
Polish dodatkowy, uzupełniający
  • dodatkowyadditional
  • uzupełniającyadditional
  • pomocniczyadditional
  • nadprogramowyadditional
Portuguese suplementar, adicional
  • suplementaradditional
  • adicionaladditional
Russian доба́вочный, дополни́тельный
  • доба́вочный (dobávočnyj)additional
  • дополни́тельный (dopolnítelʹnyj)additional
Spanish suplementario, supletorio
  • suplementarioadditional
  • supletorioadditional
Swedish extra
  • extraadditional
Turkish bütünleyici, ilave
  • bütünleyiciadditional
  • ilaveadditional
  • tamamlayıcıadditional
Welsh atodol
  • atodoladditional
Cite this entry
APA

supplementary. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/supplementary

MLA

“supplementary.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/supplementary. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “supplementary,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/supplementary.

Source: supplementary on Wiktionary, CC BY-SA 4.0.