unorthodox
I
adjective
a ceteris dissentire, aberrant, anomalous, deviative, different, divergent, eccentric, heretical, heterodox, irregular, lawless, out of step, unaccepted, unapproved, uncanonical, uncommon, unconformable, unconventional, unfashionable, unobservant, unusual
II
index
deviant, eccentric, informal, nonconforming, novel, original (creative), peculiar (curious), skeptical, uncommon, unusual
Burton's Legal Thesaurus.
William C. Burton.
2006