/ Dictionary / Index A ad vitam*: Meaning and Definition of Find definitions for: ad vi•tam Pronunciation: (äd wē'täm Eng. ad vī'tam), [key] — Latin. Latin. for life. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. advisory opinion ad vivum* Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language