promissory

P3R1O1M3I1S1S1O1R1Y4
US/ˈpɹɑmɪsɔɹi/

adjective

Containing or consisting of a promise.

OriginMiddle English promissorye ← Medieval Latin prōmissōrius →
Less commonScrabble 17
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Meanings

adjectivepromissory (not comparable)
  1. not comparableContaining or consisting of a promise.
  2. not comparablelawStipulating the future actions required of the parties to an insurance policy or other business agreement.

Origin

  1. Medieval Latinprōmissōrius
  2. Middle Englishpromissorye
  3. Englishpromissory

From Middle English promissorye, from Medieval Latin prōmissōrius. By surface analysis, promise + -ory.

More words from Middle English, Medieval Latin

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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