Definition of Atypical

1. Adjective. Not representative of a group, class, or type. "Atypical behavior is not the accepted type of response that we expect from children"

Exact synonyms: Untypical
Attributes: Typicality
Also: Uncharacteristic, Abnormal, Unnatural
Similar to: Unrepresentative
Derivative terms: Atypicality, Untypicality
Antonyms: Typical



2. Adjective. Deviating from normal expectations; somewhat odd, strange, or abnormal. "Highly irregular behavior"
Exact synonyms: Irregular
Similar to: Abnormal, Unnatural
Derivative terms: Atypicality, Irregularity

Definition of Atypical

1. Adjective. Not conforming to the normal type. ¹

2. Adjective. Unusual or irregular. ¹

3. Noun. (pharmacy) An atypical antipsychotic. ¹

¹ Source: wiktionary.com

Definition of Atypical

1. not typical [adj]

Medical Definition of Atypical

1. Irregular, not conformable to the type, in microbiology, applied specifically to strains of unusual type. Origin: Gr. Typos = type or model (16 Dec 1997)

Lexicographical Neighbors of Atypical

atwain
atweel
atween
atwind
atwinkle
atwirl
atwist
atwite
atwitter
atwix
atwixt
atwo
atychiphobia
atypia
atypic
atypical (current term)
atypical absence seizure
atypical achromatopsia
atypical bacterial forms
atypical cell
atypical facial neuralgia
atypical fibroxanthoma
atypical gingivitis
atypical lipoma
atypical measles
atypical melanocytic hyperplasia
atypical mycobacteria
atypical mycobacterial infection
atypical nevi
atypical pneumonia

Literary usage of Atypical

Below you will find example usage of this term as found in modern and/or classical literature:

1. Surgery, Gynecology & Obstetrics by The American College of Surgeons, Franklin H. Martin Memorial Foundation (1915)
"Heavy dots indicate changes in cells. u, Type I, atypical changes in villi both near surface ... A study of this slide reveals many atypical squamous cells, ..."

2. The American Journal of the Medical Sciences by Southern Society for Clinical Investigation (U.S.) (1907)
"The recent review of an article by van Nuys, in the Ho.tton Medical and Surgical Journal, on the presence, of atypical phagocytic cells in the blood, ..."

3. Clinical Hematology: A Practical Guide to the Examination of the Blood with by John C. DaCosta (1901)
"atypical Erythroblasts. In some of the severer anemias, notably in spleno-medullary leukemia and in pernicious anemia, various atypical erythroblasts are ..."

4. The Surgical Clinics of North America by Stanley P. L. Leong (1922)
"atypical PLASTIC OPERATIONS FOR CONGENITAL FISSURES OF THE LIP AND PALATE THE first 2 cases to be ... They are described because they are atypical. ..."

5. Addresses and Proceedings by National Education Association of the United States, National Teachers' Association (U.S.)., American Normal School Association, Central College Association (1904)
"MAXIMILIAN PE GROSZMANN, DIRECTOR OF THE GROSZMANN SCHOOL FOR NERVOUS AND atypical CHILDREN, PLAINFIELD, NJ It is gratifying to note that from year to year ..."

6. The Journal of Experimental Medicine by Rockefeller University, Rockefeller Institute, Rockefeller Institute for Medical Research (1919)
"A STUDY OF atypical TYPE II PNEUMOCOCCI. BY ERNEST G. STILLMAN, ... Study of this phenomenon revealed the fact that these atypical Type II organisms possess ..."

7. Tuberculosis of Bones and Joints by Nicholas Senn (1893)
"atypical AND TYPICAL RESECTION. IN the treatment of tubercular joints in ... The external incision in atypical and typical resection of joints should be the ..."

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