INIQUITY
injustice, unfairness, iniquity, shabbiness
(noun) an unjust act
evil, immorality, wickedness, iniquity
(noun) morally objectionable behavior
Source: WordNet® 3.1
Etymology
Noun
iniquity (countable and uncountable, plural iniquities)
(uncountable) Deviation from what is right; gross injustice, sin, wickedness.
(countable) An act of great injustice or unfairness; a sinful or wicked act; an unconscionable deed.
Source: Wiktionary
In*iq"ui*ty, n.; pl. Iniquities. Etym: [OE. iniquitee, F. iniquité,
L. iniquitas, inequality, unfairness, injustice. See Iniquous.]
1. Absence of, or deviation from, just dealing; want of rectitude or
uprightness; gross injustice; unrighteousness; wickedness; as, the
iniquity of bribery; the iniquity of an unjust judge.
Till the world from his perfection fell Into all filth and foul
iniquity. Spenser.
2. An iniquitous act or thing; a deed of injustice o Milton.
Your iniquities have separated between you and your God. Is. lix. 2.
3. A character or personification in the old English moralities, or
moral dramas, having the name sometimes of one vice and sometimes of
another. See Vice.
Acts old Iniquity, and in the fit Of miming gets the opinion of a
wit. B. Jonson.
Source: Webster’s Unabridged Dictionary 1913 Edition