atypical

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

atypisch, ungewöhnlich

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

:
His response was atypical of his usual calm demeanor.
Seine Reaktion war atypisch für sein sonst so ruhiges Auftreten.
The patient presented with atypical symptoms.
Der Patient zeigte atypische Symptome.