noun
iniquity
ih-NIK-wuh-tee/ɪˈnɪkwəti/
Gravely unjust or immoral behavior.
Taking food from a hungry family exposes the corrupt official's iniquity.

Etymology
The pieces express a state of being unequal or unjust. Latin used unevenness figuratively for unfairness and injustice; the English word developed the broader moral sense of evil or wickedness.
In context
I never believed that so much iniquity existed in the world, or that men could fight a defenseless woman with such double-dealing and cruel ingenuity.
More examples
- She speaks out against the iniquity of human trafficking.
- The regime's iniquities include torture and forced labor.
- They use their sermons to condemn greed and iniquity.
Forms
iniquity · iniquities
iniquitous adjective — Gravely unjust or morally wrong.
Similar words
- injustice
- Emphasizes unfair treatment rather than grave moral evil.
- wickedness
- Emphasizes deep moral evil rather than unfair treatment.
- wrongdoing
- Covers improper or illegal acts, including less serious offenses.