Words similar to regretful

Example sentences for: regretful

How can you use “regretful” in a sentence? Here are some example sentences to help you improve your vocabulary:

If the money goes bad, you simply return it with the appropriate regretful noises.
My guess is a regretful no.
His "Ex-Wife-to-Be" contributes an opposing view: She writes that she's lonelier and more regretful than she ever imagined she could be.
Why, like a regretful mother, unchained ghost, do I hover over old photos when I'm home for Christmas or Thanksgiving, as if I'd all along been living
Most also pay lip service to the idea that murder is not the solution to political problems, generally by making the hero a regretful killer who wishes he could just put down the gun.