/ Dictionary / Index P postgrad: Meaning and Definition of Find definitions for: post•grad Pronunciation: (pōst-grad'), [key] — adj., n. Informal. postgraduate. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. postglacial postgraduate Related Content Daily Word Quiz: lyceum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language