iniquitous

adj.
Characterized by iniquity; wicked.

iniquitously in·iq'ui·tous·ly adv.
iniquitousness in·iq'ui·tous·ness n.

adjective

Morally objectionable: bad, black, evil, immoral, peccant, reprobate, sinful, vicious, wicked, wrong. See right/wrong.

characterized by gross injustice or wickedness; vicious

IN BRIEF: Wicked, grossly immoral.

It always appeared a most iniquitous scheme to me—to fight ourselves for what we are daily robbing and plundering from those who have as good a right to freedom as we have. — Abigail Adams (1744-1818), U.S. matriarch.

Note: click on a word meaning below to see its connections and related words.

The adjective has one meaning:

Meaning #1: characterized by iniquity; wicked because it is believed to be a sin
  Synonyms: sinful, ungodly

---