- full of regret; sorrowful because of what is lost, gone, or done.
Origin of regretful
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for regretful
But he only gazed at her with a thoughtful, regretful perplexity.The Mystery of Murray Davenport
Robert Neilson Stephens
The handsome Cardinal was suave, courtly, regretful, but firm.The Historical Nights' Entertainment
“That is quite true,” agreed the other, with a regretful sigh.The Bondwoman
Marah Ellis Ryan
"That is most unfortunate," replied the Count, in a regretful tone.Dave Darrin on Mediterranean Service
H. Irving Hancock
Naturally, that at first made him regretful, and later it made him jealous.The Winning Clue
James Hay, Jr.
Word Origin and History for regretful
Online Etymology Dictionary, © 2010 Douglas Harper