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.

At the age of 3, he was diagnosed with leukemia: a cancer that causes the body to produce too many abnormal white blood cells.

From Los Angeles Times • May 19, 2026

“This is abnormal — I haven’t seen anything like this in my entire career,” Roos told MarketWatch.

From MarketWatch • May 17, 2026

After a second miscarriage, women were tested for anaemia and abnormal thyroid function, which can affect pregnancy outcomes.

From BBC • Apr. 28, 2026

Pinto said the swelling was caused by a large quantity of both fat and ascites, an abnormal buildup of fluid in the abdominal cavity often linked to cirrhosis of the liver.

From Barron's • Apr. 23, 2026

Nunley looked up sleepily, but if he saw anything abnormal about the dodgeball game, he didn’t let on.

From "The Sea of Monsters" by Rick Riordan

Vocabulary lists containing abnormal

Lesson 1

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Cormac McCarthy's "The Road"

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"Modern Automotive Technology," Vocabulary from Section 6

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