atypical

US /ˌeɪˈtɪp.ɪ.kəl/
UK /ˌeɪˈtɪp.ɪ.kəl/
"atypical" picture
1.

atipico, insolito

not representative of a type, group, or class; unusual.

:
His response was atypical of his usual calm demeanor.
La sua risposta era atipica del suo solito comportamento calmo.
The patient presented with atypical symptoms.
Il paziente ha presentato sintomi atipici.