Here's a breakdown:
* Smiled: This indicates a facial expression, but not a happy one.
* Ruefully: This word means "in a way that expresses sorrow or regret."
So, when someone smiles ruefully, they are trying to appear positive or lighthearted, but their smile masks a deeper feeling of sadness or disappointment. It's a way to acknowledge a situation that is not ideal, but without dwelling on the negativity.
Examples:
* "He smiled ruefully, knowing he had made a mistake."
* "She smiled ruefully at the pile of dishes, knowing she had a long night ahead of her."
Essentially, a rueful smile is a way of saying, "I'm not happy about this, but I'm going to try to make the best of it."