atypical
//eɪˈtɪpɪkəl//
Adjective
atypicalCanonical form
more atypicalComparative
most atypicalSuperlative
1
Not representative of a type, group, or class; unusual or irregular.
Her atypical approach to problem-solving impressed everyone.
2
(Medicine) Deviating from the normal or expected pattern, especially in symptoms or presentation.
The patient presented with atypical symptoms of pneumonia, making diagnosis difficult.