/ Dictionary / Index I interpersonal: Meaning and Definition of Find definitions for: in•ter•per•son•al Pronunciation: (in"tur-pûr'su-nl), [key] — adj. of or pertaining to the relations between persons. existing or occurring between persons. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: interpersonal (Thesaurus) interpenetrate interpersonal theory 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