noun
- a person who maintains that Christians are freed from the moral law by virtue of grace as set forth in the gospel.
adjective
- relating to the doctrine that by faith and the dispensation of grace a Christian is released from the obligation of adhering to any moral law
noun
- a member of a Christian sect holding such a doctrine
1640s, from antinomian + -ism.
“one who maintains the moral law is not binding on Christians under the law of grace,” 1640s, from Medieval Latin Antinomi, name given to a sect of this sort that arose in Germany in 1535, from Greek anti- “opposite, against” (see anti-) + nomos “rule, law” (see numismatics).