MI'GHTILY, adv. from mighty. With great power, force of strength vigorously as, to strive mightily.

1. Vehemently with great earnestness.

Cry mightily to God. Jonah 3 .

2. Powerfully with great energy.

Whereto I also labor, striving according to his working, which worketh in me mightily. Colossians 1

3. With great strength of argument.

He mightily convinced the Jews. Acts 18

4. With great or irresistible force greatly extensively.

So mightily grew the word of God and prevailed. Acts 19

5. With strong means of defense.

Fortify the power mightily. Nahum 2

6. Greatly to a great degree very much.

I was mightily pleased with a story applicable to this piece of philosophy.

Admissible in colloquial and familiar language.