/ Dictionary / Index P perf.: Meaning and Definition of Find definitions for: perf. Pronunciation: [key] perfect. perforated. performance. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Pérez de Cuéllar perfboard 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