[ prom-uh-sawr-ee, -sohr-ee ]
/ ˈprɒm əˌsɔr i, -ˌsoʊr i /


containing or implying a promise.
of the nature of a promise.
Insurance. of or noting agreements or representations stipulating what is required to take place after the issuance of a policy.

Nearby words

  1. promised land,
  2. promisee,
  3. promising,
  4. promisingly,
  5. promisor,
  6. promissory note,
  7. promnesia,
  8. promo,
  9. promonarchist,
  10. promonocyte

Origin of promissory

From the Medieval Latin word prōmissōrius, dating back to 1640–50. See promise, -tory1

Related formsprom·is·so·ri·ly, adverbnon·prom·is·so·ry, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for promissory

British Dictionary definitions for promissory


/ (ˈprɒmɪsərɪ) /


containing, relating to, or having the nature of a promise
insurance stipulating how the provisions of an insurance contract will be fulfilled after it has been signed
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for promissory



mid-15c., from Medieval Latin promissorius, from Latin promissus, past participle of promittere (see promise (n.)). Promissory note recorded by 1670s.

Online Etymology Dictionary, © 2010 Douglas Harper