to reply to an invitation: Don't forget to RSVP before Thursday.
a reply to an invitation: He sent a lovely bouquet of flowers with his RSVP.
(used on an invitation to indicate that the favor of a reply is requested.)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
British Dictionary definitions for RSVP
répondez s'il vous plaît
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
Cultural definitions for R.S.V.P.
Please reply or answer. From the French, “répondez s'il vous plaît,” meaning “respond if you please.”
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.