/ Dictionary / Index I iniquitous: Meaning and Definition of Find definitions for: in•iq•ui•tous Pronunciation: (i-nik'wi-tus), [key] — adj. characterized by injustice or wickedness; wicked; sinful. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: iniquitous (Thesaurus) inion iniquity Related Content Daily Word Quiz: lyceum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language