Available Definitions:
1) superl. - Exhibiting lust or vigor; stout; strong; vigorous; robust; healthful; able of body.
2) superl. - Beautiful; handsome; pleasant.
3) superl. - Of large size; big. [Obs.] " Three lusty vessels." Evelyn. Hence, sometimes, pregnant.
4) superl. - Lustful; lascivious.