/ Dictionary / Index I inexertion: Meaning and Definition of Find definitions for: in•ex•er•tion Pronunciation: (in"ig-zûr'shun), [key] — n. lack of exertion; inaction. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. inexcusable inexhaustible Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language