Definitions

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.

Abnormal levels of groundwater and soil pollution were detected near a 3M site in Zwijndrecht, outside the port city of Antwerp, in 2021.

From Barron's • Feb. 24, 2026

Abnormal animal behavior is often a sign of infection, like bats flying in the daytime or normally timid creatures interacting with humans.

From Los Angeles Times • Nov. 27, 2024

Abnormal patterns of sleep and waking activity have been studied as potential early indicators of Alzheimer's.

From Science Daily • Mar. 11, 2024

Abnormal postures, often hunched over and stiffened, are characteristic of the disorder, the institute says.

From BBC • May 26, 2023

Lots of Abnormal laughs, served with sprouts on the side, is what!

From "Feed" by M.T. Anderson

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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