presumptive.
Based on presumption or conjecture; inferred, likely, presumed.
Meaning & usage
Based on presumption or conjecture; inferred, likely, presumed.
By late May, he was already considered his party’s presumptive nominee.
Based on presumption or conjecture; inferred, likely, presumed. Often postpositive, as in heir presumptive: of an heir or heiress: presumed to be entitled to inherit unless someone with a superior entitlement is born.
The Queen’s younger brother was the heir presumptive to the throne, until she gave birth to her first child.
Based on presumption or conjecture; inferred, likely, presumed. Of a cell or tissue: which has yet to differentiate, but is presumed to develop into a particular body part.
Synonym of presumptuous (“making unwarranted presumptions or assumptions, often out of arrogance or excessive self-confidence, and thus exceeding what is appropriate or right”).
Forgive me for being presumptive, but aren’t you and Mark engaged?
Chiefly in presumptive evidence: providing a reasonable basis for a certain presumption or conclusion to be drawn.
Where this word comes from
PIE word *upó From pre- + Latin sūmptus + -ive, from Late Middle English presumptif, presumptijf (“based on presumption”), from Anglo-Norman presumptif and Middle French presumptif, présomptif (“based on presumption; of an heir or heiress: presumed to be entitled to inherit unless someone with a superior entitlement is born; presumptuous”) (modern French présomptif), and directly from their etymon Late Latin praesumptivus (“based on presumption; bold; insolent”), from Latin praesūmptus (“presumed”) + -īvus (suffix forming adjectives). Praesūmptus is the perfect passive participle of praesūmō (“to presume”), from prae- (prefix meaning ‘before; in front’) + sūmō (“to seize, take; to accept, presuppose; to undertake”) (ultimately from Proto-Indo-European *h₁em- (“to distribute; to take”)).
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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.