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.

In Parkinson's disease, alpha-synuclein forms abnormal clumps inside neurons.

From Science Daily • May 28, 2026

Later, as an adult, she said she realised the incidents were abnormal.

From BBC • May 28, 2026

"Redraft. Refine. Resubmit. None of this is abnormal during a Byrd process," Ryan Wrasse, a spokesperson for Senate Majority Leader John Thune, wrote on X.

From BBC • May 17, 2026

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

From MarketWatch • May 17, 2026

The notion of studying German or abnormal psychology flitted through my head.

From "The Bell Jar" by Sylvia Plath

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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