See aberration in Webster's New World Roget's A-Z Thesaurus II
noun
A departing from what is prescribed:
departure, deviation, divergence, divergency, diversion. See approach, correctThe condition of being abnormal:
aberrance, aberrancy, abnormality, anomaly, deviance, deviancy, deviation, irregularity, preternaturalness, unnaturalness. See good, usual- (Psychology)
Serious mental illness or disorder impairing a person's capacity to function normally and safely:
brainsickness, craziness, dementia, derangement, disturbance, insaneness, insanity, lunacy, madness, mental illness, psychopathy, unbalance. (Psychiatry) mania. (Psychology) alienation. See sane
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