Wordnet 3.0
NOUN (1)
1. 
 a follower of the doctrine of antinomianism; 
ADJECTIVE (1)
1. 
 relating to or influenced by antinomianism; 
The Collaborative International Dictionary of English v.0.48:
Antinomian \An`ti*no"mi*an\, a. [See Antimony.]
   Of or pertaining to the Antinomians; opposed to the doctrine
   that the moral law is obligatory.
   [1913 Webster]
The Collaborative International Dictionary of English v.0.48:
Antinomian \An`ti*no"mi*an\, n. (Eccl. Hist.)
   One who maintains that, under the gospel dispensation, the
   moral law is of no use or obligation, but that faith alone is
   necessary to salvation. The sect of Antinomians originated
   with John Agricola, in Germany, about the year 1535.
   --Mosheim.
   [1913 Webster]
WordNet (r) 3.0 (2006):
antinomian
    adj 1: relating to or influenced by antinomianism
    n 1: a follower of the doctrine of antinomianism