/ Dictionary / Index I impercipient: Meaning and Definition of Find definitions for: im•per•cip•i•ent Pronunciation: (im"pur-sip'ē-unt), [key] — adj. lacking perception; imperceptive. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. imperceptive imperf. Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language