Emily Dickinson Lexicon

iniquity, n. [OFr < L. inīquus, uneven, unequal, unjust, wrong, wicked.]

1. Imbalance; lack of equality; [fig.] excess; overindulgence; personal weakness.
2. Depravity; unrighteousness; imperfection; character flaw; (see James 3:6).
3. Wickedness; worldliness; natural corruption; degeneration as a result of the fall of Adam in God's plan for humankind (see Titus 2:14).
4. Deviation; injustice; unfairness; [fig.] lack of charity (see 1 Corinthians 13:1-6).