/ Dictionary / Index N Nicaean: Meaning and Definition of Find definitions for: Ni•cae•an Pronunciation: (nī-sē'un), [key] — adj. Nicene. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: nicaean (Thesaurus) Nicaea Nicaragua Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language