Definition of "aberrant" in English

adjective

1. Differing from the norm.

2. (sometimes figuratively) Straying from the right way; deviating from morality or truth.

3. (botany, zoology) Deviating from the ordinary or natural type; exceptional; abnormal.

noun

1. A person or object that deviates from the rest of a group.

2. (biology) A group, individual, or structure that deviates from the usual or natural type, especially with an atypical chromosome number.