(1):
(a.) Full of anxiety or disquietude; greatly concerned or solicitous, esp. respecting something future or unknown; being in painful suspense; - applied to persons; as, anxious for the issue of a battle.
(2):
(a.) Accompanied with, or causing, anxiety; worrying; - applied to things; as, anxious labor.
(3):
(a.) Earnestly desirous; as, anxious to please.