Repine (verb)
re-payhn
To be fretfully discontented; to fret or complain.
First recorded in 1520–30 and constituted of re-, “in the case of,” and pine, “to yearn deeply.” The slightly more common related word, unrepining means “not complaining.”
Example sentences
“It’s hard to sympathise with people who constantly repine without taking any action to improve their situation.”