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 Eriksen's case, the ICD is likely to have delivered an electrical shock after detecting a dangerously fast or abnormal rhythm, to restore the heart to its normal pattern.

From BBC • Jun. 8, 2026

The team also observed abnormal metabolism inside the cells.

From Science Daily • May 27, 2026

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

The only thing I could read, besides the scandal sheets, were those abnormal psychology books.

From "The Bell Jar" by Sylvia Plath

Vocabulary lists containing abnormal

Lesson 1

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

Cormac McCarthy's "The Road"

Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!

"Modern Automotive Technology," Vocabulary from Section 6

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!