/ Dictionary / Index P PIM: Meaning and Definition of Find definitions for: PIM Pronunciation: [key] — pl. PIMs, PIM's. personal information manager. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pilus Pima Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language