Definition of "longingly"

As she stepped nearer and peered longingly out, she saw something else: she saw, only a little way below the window, the wide, flat tin roof of Miss Polly's sun parlor built over the porte-cochère. The sight filled her with longing. If only, now, she were out there!

1913, Eleanor H. Porter, chapter 7, in Pollyanna‎, L.C. Page

So Sebastian fetched in a closed basket, set it down before her, and went out again quickly. 'you had better finish your lessions before opening it,' remarked Miss Rottenmeier firmly, though Clara looked longingly at it.

1956 , Johanna Spyri, Heidi, translation of original by Eileen Hall, page 85