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. 2019
Examples from the Web for unregretful
Historical Examples of unregretful
Something of extreme youth clings to his books—its zestfulness, curiosity, indiscriminateness, and its unregretful volatility.
Can a man never attain to that higheror lower, which is it?altitude of strifeless, unregretful hardness?Langford of the Three Bars
Online Etymology Dictionary, © 2010 Douglas Harper