unorthodox
unorthodox
not normal, accepted or established
heretical
wicked (the more usual word)
not religious
opposed to, showing no interest in, religion
ungodly
feeling or showing no respect for sacred things
disrespectful
guilty of mutiny; rebellious
rebellious
(of) a person who does not agree with and act like most people
unwilling to behave, believe as most do
taking part in a rebellion; not easily controlled
disobedient, unmanageable