/ Dictionary / Index A act of God: Meaning and Definition of Find definitions for: act' of God' Pronunciation: [key] — Law. Law. a direct, sudden, and irresistible action of natural forces such as could not reasonably have been foreseen or prevented, as a flood, hurricane, earthquake, or other natural catastrophe. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. act of faith Act of Parliament clock Related Content Daily Word Quiz: illegible Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language