regretful

Neither did I feel either regretful about asking them to do something or grateful to them in advance for doing it.

Is he truly regretful, or is that just the funniest thing to say about all that?

The farmer watched her as she came up, and a deep regretful sigh burst from his lips.

If my request is tiresome, do not hesitate to refuse; I shall be regretful, but not offended.

Am feeling very sad, rather regretful—think what a nice man my lawyer is.

For a year he exchanges regretful sighs with this other, and the money goes, and the hate increases, and she writes to him.

When she reached her home again a flood of regretful sorrow overwhelmed her heart, and she wept bitterly.