/ Dictionary / Index P pustulous: Meaning and Definition of Find definitions for: pus•tu•lous Pronunciation: (pus'chu-lus), [key] — adj. pustular. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pustule put Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language