Adverb
With longing.
Source: Webster's dictionaryhe spent the rest of the act gazing longingly over my right shoulder at the illuminated word `Exit' Source: Internet
He also has a moment where he looks on longingly as walks by (and why can blame him?) before she climbs into a car and drives off. Source: Internet
Although defeated by the generous portions, we looked longingly at the house specialties-the double fudge chocolate brownie with vanilla ice cream and sprinkles or maybe the shortcake topped with crushed strawberries. Source: Internet
Do you find yourself gazing longingly at bookshelves in the furniture/antique/etc. Source: Internet
Basilio’s mention of Cherubino gazing longingly at the Countess draws the Count out of hiding. Source: Internet
The early 20th-century impulse was to gaze back longingly at medieval times, when the Arthurian legends were born in the West and the Arabian Nights rose in the East. Source: Internet