Wiktionary
a. Not repine.
Usage examples of "unrepining".
He stood up pretty well under the hardships of Belle Isle, but lost his cheerfulness--his unrepining calmness--after a few weeks in the Stockade.
If I could but teach your friend to bear a little adversity as unrepining as I have borne sickness, we might be very happy.
I know that there is an Omnipotent Power who governs the world with wisdom and equity, and who frequently turns the dark designs of the wicked from their original bias, to the advantage of oppressed and unrepining innocence.
There was something heart-moving in the gentle patience, and unrepining contentment with which she bore her hard lot.
That silent, unrepining, uncomprehended creature, robbed by his mildness of all personality and will, weak from excessive kindness, had been suffering in obscurity somewhere on his sofa, and had not complained.
She felt, that, once awakened, Raymond would never return unrepining to Windsor.