/ Dictionary / Index I iniquity: Meaning and Definition of Find definitions for: in•iq•ui•ty Pronunciation: (i-nik'wi-tē), [key] — pl. -ties. gross injustice or wickedness. a violation of right or duty; wicked act; sin. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: iniquity (Thesaurus) iniquitous init. Related Content Daily Word Quiz: designate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language