abnormal

adjective
ab·​nor·​mal | \ (ˌ)ab-ˈnȯr-məl How to pronounce abnormal (audio) , əb-\

Definition of abnormal

 (Entry 1 of 2)

: deviating from the normal or average a person with abnormal [=exceptional] strength abnormal powers of concentration often : unusual in an unwelcome or problematic way abnormal behavior abnormal test results

abnormal

noun

Definition of abnormal (Entry 2 of 2)

: an abnormal person

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Other Words from abnormal

Adjective

abnormally \ -​mə-​lē How to pronounce abnormally (audio) \ adverb
behaving abnormally

Examples of abnormal in a Sentence

Adjective

The results of the blood test were abnormal. a completely abnormal school day, because half of the kids were out sick

Recent Examples on the Web: Adjective

Surgical treatment of AFib Atrial fibrillation, or AFib, affects more than 2.2 million Americans, and is an abnormal rhythm of the heart, which can cause the heart to pump less effectively. Trihealth, Cincinnati.com, "Common surgical heart treatments," 13 June 2019 The drug was given to 93 pregnant women whose fetuses had severe abnormal growth, according to a statement from the Amsterdam University Medical Center, the hospital leading the research. Mark Barna, Discover Magazine, "State of Science: A Tragic Drug Trial, Questioning Chemo and Immune Improvements," 1 Jan. 2019 The dual-layered microneedles, after a few days of dissolving, decreased the area of abnormal blood vessel growth by about 90 percent. Kiona N. Smith, Ars Technica, "Delivering drugs directly to the eye using microneedles that dissolve," 9 Nov. 2018 Half tested for abnormal cholesterol levels, and close to two-thirds developed high blood pressure. Lauren Caruba, ExpressNews.com, "A ‘scary disease’: Children with Type 2 diabetes suffer from advanced complications, study finds," 28 June 2019 Mood stabilizers generally work by decreasing abnormal brain activity, according to the NIMH. Korin Miller, SELF, "5 Bipolar Disorder Treatments You Should Know About," 30 Nov. 2018 No drug is specifically approved to treat oral lichen planus, which is caused by abnormal activity of immune cells called T cells. Bradley J. Fikes, sandiegouniontribune.com, "Danish transdermal drug company opens North American office in San Diego," 25 Apr. 2018 Tu Le, 63, was diagnosed in January 2018 with Myelodysplastic syndrome, which occurs when the blood-forming cells in the bone marrow become abnormal. Tatiana Sanchez, SFChronicle.com, "Vietnamese men denied visas for life-saving transplant for brother in San Jose," 7 June 2019 Nothing was abnormal enough to give a clear answer. Julia Michie Bruckner, Discover Magazine, "Is a Teen's Pain Just Drama, or Something Worse?," 12 Mar. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'abnormal.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of abnormal

Adjective

1817, in the meaning defined above

Noun

1857, in the meaning defined above

History and Etymology for abnormal

Adjective

New Latin abnormis "deviating from the average" (going back to Medieval Latin, "not conforming to rule," going back to Latin, "belonging to no school of philosophy," from ab- ab- + norma "carpenter's rule, pattern") + -al entry 1 — more at norm

Noun

noun derivative of abnormal entry 1

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Statistics for abnormal

Last Updated

18 Jul 2019

Look-up Popularity

Time Traveler for abnormal

The first known use of abnormal was in 1817

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More Definitions for abnormal

abnormal

adjective
ab·​nor·​mal | \ ab-ˈnȯr-məl How to pronounce abnormal (audio) \

Kids Definition of abnormal

: differing from the normal usually in a noticeable way an abnormal growth

Other Words from abnormal

abnormally adverb abnormally small

abnormal

adjective
ab·​nor·​mal | \ (ˈ)ab-ˈnȯr-məl How to pronounce abnormal (audio) \

Medical Definition of abnormal

 (Entry 1 of 2)

: deviating from the normal, average, or expected abnormal development results of the Pap smear were abnormal abnormal actions departing from accepted standards of social behavior

Other Words from abnormal

abnormally \ -​mə-​lē How to pronounce abnormally (audio) \ adverb

abnormal

noun

Medical Definition of abnormal (Entry 2 of 2)

: an abnormal person

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More from Merriam-Webster on abnormal

Rhyming Dictionary: Words that rhyme with abnormal

Thesaurus: All synonyms and antonyms for abnormal

Spanish Central: Translation of abnormal

Nglish: Translation of abnormal for Spanish Speakers

Britannica English: Translation of abnormal for Arabic Speakers

Comments on abnormal

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