[ prom-uh-sawr-ee, -sohr-ee ]

  1. containing or implying a promise.

  2. of the nature of a promise.

  1. Insurance. of or noting agreements or representations stipulating what is required to take place after the issuance of a policy.

Origin of promissory

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

Other words from promissory

  • prom·is·so·ri·ly, adverb
  • non·prom·is·so·ry, adjective

Words Nearby promissory Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use promissory in a sentence

  • Six of those last-named little promissory notes, all due on the same day, Ben, and all intrusted to me!'

    The Pickwick Papers | Charles Dickens

British Dictionary definitions for promissory


/ (ˈprɒmɪsərɪ) /

  1. containing, relating to, or having the nature of a promise

  2. 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