abnormal

Outside expected parameters

Abnormal means deviating from what is typical, usual, or expected.

An abnormal test result falls outside the normal range.

Abnormal behavior breaks social norms or suggests psychological disturbance.

The word carries clinical overtones—doctors speak of abnormal cells, abnormal growth.

Unlike unusual or atypical, abnormal often implies something is wrong or requires attention.

unusual

strange

Unusual or unfamiliar

weird · uncommon · atypical · irregular · rare · curious · freakish · outlandish · extraordinary · unnatural

behavioral

deviant

One diverging from norms

unconventional · antisocial · maladaptive · atypical · dysfunctional · erratic · compulsive · obsessive · disordered · neurotic

statistical

outlier

Distant data point

aberration · discrepancy · irregularity · exception · standard · distribution · regression · residual · skew · z-score

cardiac

arrhythmia

Abnormal cardiac rhythm

irregular · heartbeat · murmur · fibrillation · rhythm · EKG · electrocardiogram · flutter · syncope · congenital

medical

pathology

Study of disease processes

disease · dysfunction · syndrome · lesion · prognosis · etiology · anomaly · defect · malformation · deviation

psychology

neurosis

Functional mental disorder

maladaptive · delusion · hallucination · dissociation · paranoia · schizophrenia · mania · phobia · trauma · dysfunction

Categories
Opposites
statistical frequency

abnormalnormal

Conforming to standard

typical · common · usual · ordinary · regular

conformity to standards

abnormalnormal

Conforming to standard

standard · typical · conventional · regular · customary

health/pathology

abnormalnormal

Conforming to standard

healthy · natural · sound · typical · well-adjusted

Phrases
Family

abnormality, abnormally, abnormalities, abnormals, abnormity

Familiarity
Top 10,000
Profile
Known to kids · Used worldwide · Timeless · Abstract · Negative · Everyday, not technical · Rated G