departing from the right, normal, or usual course.

deviating from the ordinary, usual, or normal type; exceptional; abnormal.

an aberrant person, thing, group, etc.

adjective

normal , same , true

adjective

abnormal , atypical , bizarre , deviant , different , flaky * , mental * , nonstandard , odd , off-base , off-color , out of line , peculiar , psycho , strange , unusual , weird , anomalistic , anomalous , atypic , divergent , irregular , preternatural , unnatural , devious , disparate