Meaning & use

abnormal

adjective·Academic

Last updated

UK/əbˈnɔːməl/
US/əbˈnɔːrməl/

Meanings

  1. adjectivebefore a noun

    Different from what is usual or expected, often in a way that worries or puzzles people.

    Grammar: Can also follow linking verbs: The result seems abnormal; use unusual to sound gentler.

    Patterns

    • abnormal behaviour/behavior
    • seem abnormal
    • abnormal for someone/something

    The cat's abnormal hiding continued for several days.

    It is abnormal for the office to be this quiet on a Monday.

    She noticed an abnormal smell near the heater.

  2. adjectivebefore a nounmedicalbiologytechnical

    Departing from normal structure, function, or range in medicine, biology, or testing.

    Grammar: Clinical use is neutral: abnormal cells reports variation, not a moral judgment.

    Patterns

    • abnormal cells
    • abnormal result
    • abnormal heart rhythm

    The scan showed abnormal cells in a small area.

    His abnormal heart rhythm was monitored overnight.

    An abnormal result may simply mean the test should be repeated.

Common combinations

abnormal behavior
Teachers recorded the child's abnormal behavior without guessing causes.
abnormal result
One abnormal result led the doctor to order a second test.
abnormal cells
The biopsy found abnormal cells, so treatment began early.
nothing abnormal
The inspection found nothing abnormal in the water tank.
abnormal psychology
She studies abnormal psychology to understand patterns of distress.

Synonyms and how they differ

unusual
Gentler and safer in everyday speech when no problem is certain.
atypical
Neutral for not typical, common in medicine and descriptions of patterns.
irregular
Emphasizes not following a regular rule, pattern, or rhythm.
anomalous
Formal and technical; best for data or cases that break an expected pattern.

Opposites

Word family

abnormality noun
A particular feature, condition, or state of being abnormal.
abnormally adverb
In an abnormal way or to an abnormal degree.

Commonly confused: abnormal or subnormal? abnormal or paranormal?

abnormal vs subnormal

Subnormal means below a normal level, especially in older or offensive IQ labels; abnormal simply means different from normal.

abnormal vs paranormal

Paranormal concerns events beyond normal scientific explanation, like ghosts, not ordinary deviation.

Practice

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