To contradict, to provide proof that something is not.
Weak or ill, not in good health.
Irresolute; weak of mind or will.
Frail; unstable; insecure.
Hearty, merry, gleesome, enthusiastic, lively, stirring.
Exhibiting lust (in the obsolete sense meaning "vigor"); strong, healthy, robust; vigorous; full of sap or vitality.