abnormal

[ab-nawr-muhl] / æbˈnɔr məl /

ADJECTIVE

different from standard or norm

Synonyms

STRONGEST

aberrant anomalous atypical bizarre exceptional extraordinary irregular odd peculiar strange uncommon unexpected unnatural unusual weird

WEAK

anomalistic curious deviant deviate deviating divergent eccentric fantastic funny grody gross heteroclite heterodox heteromorphic off-base off-color out of line preternatural screwy spastic unorthodox

Antonyms

STRONGEST

common conforming conventional expected familiar normal ordinary regular standard usual

WEAK

customary straight

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Amyloid and tau are abnormal proteins that accumulate gradually and are considered defining features of Alzheimer's disease.

From Science Daily

The key diagnostic feature of PoTS is a persistent and abnormal increase in heart rate after assuming an upright posture.

From BBC

During labour, monitoring indicated that her heartbeat was abnormal, but this was not acted on.

From BBC

Because of their natural ability to detect and destroy abnormal cells, they are an attractive tool for cancer treatment.

From Science Daily

The team found that three holidays in particular—including Presidents Day—“are more likely to yield positive abnormal returns.”

From Barron's