Deviating from the ordinary or natural type; exceptional; abnormal.
Differing from the norm.
Straying from the right way; deviating from morality or truth.
A group, individual, or structure that deviates from the usual or natural type, especially with an atypical chromosome number.
A person or object that deviates from the rest of a group.
Unusual or irregular.
Not conforming to the normal type.
An atypical antipsychotic.