atypical
US /ˌeɪˈtɪp.ɪ.kəl/
UK /ˌeɪˈtɪp.ɪ.kəl/

1.
atípico, incomum
not representative of a type, group, or class; unusual.
:
•
His response was atypical of his usual calm demeanor.
Sua resposta foi atípica de seu comportamento calmo usual.
•
The patient presented with atypical symptoms.
O paciente apresentou sintomas atípicos.