/ Dictionary / Index I invt.: Meaning and Definition of Find definitions for: invt. Pronunciation: [key] inventory. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. involved invulnerable 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