adv. rare. [f. LONGFUL a.2 + -LY2.] With longing looks, longingly.
1849. D. G. Mitchell, Battle Summer (1852), 251. The idle garçons lean upon the marble-topped tables, with their napkins over their arms, looking longfully at the passers by.
1862. E. Mayhew, Dogs, 107. They will eat greedily what they do not want if the cat looks longfully at that … which no coaxing could induce them to swallow.
