aberrant
/əˈbɛɹ.n̩t/noun
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A person or object that deviates from the rest of a group.
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A group, individual, or structure that deviates from the usual or natural type, especially with an atypical chromosome number.
Synonyms:
deviant, freak
adjective
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Differing from the norm.
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(sometimes figurative) Straying from the right way; deviating from morality or truth.
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Deviating from the ordinary or natural type; exceptional; abnormal.
Synonyms:
abnormal, exceptional, unusual, devious, errant, immoral
Antonyms:
continuous, normal, regular, true, correct, right, straight