(adj) not representative of a group, class, or type, Syn. untypical, Ant. typical, Example: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
(adj) deviating from normal expectations; somewhat odd, strange, or abnormal, Syn. irregular, Example:these days large families are atypical; atypical clinical findings; atypical pneumonia; highly irregular behavior
(n) an acute respiratory disease marked by high fever and coughing; caused by mycoplasma; primarily affecting children and young adults, Syn. primary atypical pneumonia, mycoplasmal pneumonia
The Collaborative International Dictionary of English (GCIDE) v.0.53 Collaborative International Dictionary (GCIDE)