SG Heritage Dictionary

Word of the Day: Catachrestical

Mightiness [Noun] Webster's Dictionary 1828

1. Power; greatness; highth of dignity.

2. How soon this mightiness meets misery!

3. A title of dignity; as their High Mightinesses.

Mightiness [Noun] Webster's Dictionary 1913

1. The quality of being mighty; possession of might; power; greatness; high dignity.

2. Highness; excellency; -- with a possessive pronoun, a title of dignity; as, their high mightinesses.