- not representative of a group, class, or type; "a group that is atypical of the target audience"; "a class of atypical mosses"; "atypical behavior is not the accepted type of response that we expect from children"
- deviating from normal expectations; somewhat odd, strange, or abnormal; "these days large families are atypical"; "atypical clinical findings"; "atypical pneumonia"; "highly irregular behavior"
- An atypical antipsychotic; Not conforming to the normal type; Unusual or irregular
- not usual; often refers to the appearance of precancerous or cancerous cells.
- Atypical means something that is irregular or not ordinary.
- Literally, "not typical." Exhibits unusual characteristics. For example, atypical hyperplasia is a dangerous increase in the number of breast cells; a sign that breast cancer may develop.
- Deviating markedly from the rule or standard; not typical or regular; above or below average.
- Not usual or not normal. Atypical cells are abnormal cells. They do not necessarily progress to cancer, but they are known to increase a woman's risk by four to five times.
- Atypical means "not typical" or not as usual. It may or may not be a problem, depending on how it is used and to what it is referring.
- Antler growth which does not fork typically (off a single beam or branch)
- Not normal, irregular, abnormal, not conforming to a type, abnormal in presentation, morphology, appearance or behavior
- Not usual; abnormal.
- skin cells showing atypia
- Irregular or unusual.
- The simple, straightforward definition would be "unusual," but "atypical" means much more than that. In a diagnosis, the use of the term atypical is a vague warning to the physician that the pathologist is worried about something, but not worried enough to say that the patient has cancer.
- not typical; different.