Breadcrumb Home > Dictionary Cite Meaning of probie Find definitions for: pro•bie Pronunciation: (prō'bē), [key] — n. Informal. a probationer, esp. a firefighter who has recently joined a department. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Related Content Daily Word Quiz: persiflage Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language