ABNORMAL Synonyms: 96 Similar and Opposite Words

abnormal

adjective

(ˌ)ab-ˈnȯr-məl

Definition of abnormal

as in unusual

being out of the ordinary a completely abnormal school day, because half of the kids were out sick

Synonyms & Similar Words

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Antonyms & Near Antonyms

as in unnatural

departing from some accepted standard of what is normal noticed his abnormal breathing and took him to the emergency room

Synonyms & Similar Words

Antonyms & Near Antonyms

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of abnormal When bacterial levels overgrow, symptoms can include genital itching, abnormal discharge, pelvic pain and burning during urination. — Hanna Wickes, Charlotte Observer, 19 Oct. 2026 Anyone dealing with genital itching, abnormal discharge or pain while urinating should see a provider, even if ureaplasma turns out not to be the cause. — Hanna Wickes, Fort Worth Star-Telegram, 19 Oct. 2026 In those animals, a mutation in another gene can produce left-coiling individuals, but it is also associated with abnormal development. — Kaif Shaikh, Interesting Engineering, 17 Oct. 2026 In May 2025 The Piano Man was forced to cancel all shows after being diagnosed with normal pressure hydrocephalus, an abnormal buildup of cerebrospinal fluid in the brain. — Madeleine Marr, Miami Herald, 16 Oct. 2026 See All Example Sentences for abnormal

Recent Examples of Synonyms for abnormal

Adjective

Six months after Vincent’s suicide, Theo died from the ravages of syphilis, leaving Jo a young widow with a baby to support, not much money, and an unusual inheritance—Vincent’s paintings—more than 400 in total.

— Joan Martelli, Time, 17 Oct. 2026
While his neighbors weren’t alarmed enough by the unusual sight to call security, Abrams wasn’t as lucky during filming at Radford Studios in Studio City.

— Brian Davids, HollywoodReporter, 16 Oct. 2026

Definition of unusual

Adjective

Some movements feel unnatural, facial expressions are exaggerated, and small details occasionally fall into the uncanny valley or break rules of logical consistency.

— Britta Miller, The Washington Examiner, 14 Oct. 2026
But closer examination reveals that OpenAI’s proof builds its unnatural force in a totally distinct way.

— Joseph Howlett, Scientific American, 13 Oct. 2026

Definition of unnatural

Adjective

View gallery - 4 images For all the extraordinary things that consumer 3D printers can produce, changing color has remained a surprisingly messy business.

— New Atlas, New Atlas, 17 Oct. 2026
Explore its waterfalls, glaciers and volcanic landscapes, and treat any aurora sightings as an extraordinary bonus.

— Daisy Dobrijevic, Space.com, 16 Oct. 2026

Definition of extraordinary

Adjective

And climate risks such as floods, irregular rainfall and extreme temperatures have become a threat to both conventional and organic crops.

— Jennifer Bringle, Footwear News, 16 Oct. 2026
The length of a day according to UTC is close to that of UT1 but not exactly the same because our planet’s rotation is irregular.

— Emma Gometz, Scientific American, 15 Oct. 2026

Definition of irregular

Adjective

When machines can instantly replicate the average, the only true moat is the exceptional.

— Matt Alt, Fortune, 18 Oct. 2026
The Brewers have an exceptional amount of talent too, and Murphy's routine of pretending like his team is a bunch of humble farmers who were playing stickball out back a few days ago is absurd and offensive.

— Ian Miller OutKick, FOXNews.com, 18 Oct. 2026

Definition of exceptional

Adjective

But only United States has this unique intelligence to say, to tell us, to tell our side when Russia uses ballistic missiles.

— NBC news, NBC news, 18 Oct. 2026
Revamping a historic building with unique architecture has posed some difficulties, said Karademas.

— Addison Wright, Chicago Tribune, 18 Oct. 2026

Definition of unique

Adjective

In a recent rare interview with chum Matthew McConaughey, Bryan suggested that his songwriting-and-touring tear since leaving the Navy may be coming to a close soon.

— Grayson Haver Currin, Pitchfork, 20 Oct. 2026
But these mergers are far too rare to explain the abundance of heavier elements in the universe.

— Robin George Andrews, Scientific American, 20 Oct. 2026

Definition of rare

Adjective

Although chemotherapy combined with immunotherapy is now standard treatment for advanced SCLC, long-lasting responses remain uncommon.

— New Atlas, New Atlas, 15 Oct. 2026
Most theme puzzles contain sets that are visually identifiable to solvers because of either the arrangement of their entries or an uncommon clue feature like italics or brackets.

— Caitlin Lovinger, New York Times, 15 Oct. 2026