noun, na-adjective
lingering attachment; regret; reluctance to let go
Describes an emotional state of being unable to move on from a person, past event, or desire; often used in phrases like 未練がましい (showing lingering attachment) or 未練を残す (to leave with regrets).
彼女に振られた後も、彼は未練を引きずっている。
Even after she broke up with him, he still has lingering feelings for her.
Stop acting so clingy and look forward.