Dic: feel a longing for, look longingly at

• He felt a longing for the familiar.
• Imelda spoke of her longing to return home.
• Claire looked longingly at the sunlit gardens outside the window.

N-VAR : oft N for n, N to-inf | If you feel longing or a longing for something, you have a rather sad feeling because you want it very much.

ADV : ADV with v | If you look longingly at something you want, or think longingly about it, you look at it or think about it with a feeling of desire.

... Cobuild