additionary

ad·dit·ion·a·ry
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UK/əˈdɪʃənəɹi/UK/əˈdɪʃənɹi/US/əˈdɪʃənɛɹi/

adjective

Synonym of additional.

Similar
additional
OriginEnglish addition ← Middle English addicioun ← Old French adition →
Scrabble 16
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Meanings

adjectiveadditionary (comparative more additionary, superlative most additionary)

comparative more additionary · superlative most additionary

  1. Synonym of additional.

    The countrey parson […] stands fast in 'the liberty wherewith Christ hath made us free' [Galatians v. 1]. This liberty he compasseth by one distinction, and that is of what is necessary and what is additionary.

    a. 1634 (date written; published 1652), George Herbert, “A Priest to the Temple, or The Countrey Parson His Character, and Rule of Holy Life”, in Alexander B[alloch] Grosart, editor, The Complete Works in Verse and Prose of George Herbert. […] (The Fuller Worthies’ Library), volume III (Prose), London: […] [Robson and Sons] for private circulation, published 1874, →OCLC, chapter XXXI (The Parson in Liberty), page 193

    Synonyms: additional

Synonyms & antonyms

adjectiveSynonym of additional.

Similar
additional
Also see
additional

Origin

  1. Latinadditiō
  2. Old Frenchadition
  3. Middle Englishaddicioun
  4. Englishaddition
  5. Englishadditionary

From addition + -ary.

Full word history & related roots →
Cite this entry
APA

additionary. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/additionary

MLA

“additionary.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/additionary. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “additionary,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/additionary.

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