/ Dictionary / Index P Plotinian: Meaning and Definition of Find definitions for: Plo•tin•i•an Pronunciation: (plō-tin'ē-un), [key] — adj. of, pertaining to, or in accordance with Plotinus or his philosophy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. plot Plotinism Related Content Daily Word Quiz: belligerent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language