1. Deviating from what is standard, normal, or expected; irregular or unusual
The anomalous behavior of the patient concerned the doctors.
O comportamento anômalo do paciente preocupou os médicos.
2. Not conforming to the general rule; exceptional or peculiar
The results showed an anomalous pattern that required further investigation.
Os resultados mostraram um padrão anômalo que necessitava de investigação adicional.