资料来源 : pyDict

不合型的;不定形的;破格的

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Atypic \A*typ"ic\, Atypical \A*typ"ic*al\, a. [Pref. a- not +
   typic, typical.]
   That has no type; devoid of typical character; irregular;
   unlike the type.