non·con·form·ing /ˌnän-kən-'fȯr-miŋ/ adj: failing to conform or comply (as with contract requirements or specifications or a law)
Merriam-Webster’s Dictionary of Law. Merriam-Webster. 1996.
aberrant, alien, at odds with, at variance with, Bohemian, contrary, defiant, deviating, different, differing, disagreeing, disapproved, discordant, disobedient, dissentient, dissenting, dissident, dissimilar, distinct, distinguished, diversified, eccentric, exotic, heretical, incongruous, independent, irregular, lawless, nonadhering, noncompliant, nonobservant, nonuniform, original, out of line, out of step, peculiar, quaint, rare, remarkable, singular, solitary, special, unaccountable, unaccustomed, unadaptable, unadjustable, unclassifiable, uncommon, unconformable, unconventional, uncustomary, unexpected, unfashionable, unique, unordinary, unorthodox, unparalleled, unprecedented, unsubmissive, unusual, unwonted
associated concepts: nonconforming use
dissident, eccentric, individual, licentious
Burton's Legal Thesaurus. William C. Burton. 2006