Definitions
1.nounA person or object that deviates from the rest of a group.
2.nounA group, individual, or structure that deviates from the usual or natural type, especially with an atypical chromosome number.
3.adjectiveDiffering from the norm.
4.adjective(sometimes figurative) Straying from the right way; deviating from morality or truth.
5.adjectiveDeviating from the ordinary or natural type; exceptional; abnormal.