Might″i‐ly (?), adv. [From Mighty.]
1. In a mighty manner; with might; with great earnestness; vigorously; powerfully.
Whereunto I also labor, striving according to his working, which worketh in me mightily. Col. i. 29.
2. To a great degree; very much.
Practical jokes amused us mightily. Hawthorne.