additionary.
Synonym of additional.
Meaning & usage
Synonym of additional.
Where this word comes from
Etymology tree Latin additiōder. Old French aditionder. Middle English addicioun English addition Proto-Indo-European *-yósder. Proto-Italic *-āzios Latin -āriusder. Middle English -arie English -ary English additionary From addition + -ary.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.