erratic

• adj.

• 常道を逸した、とっぴな

Family members mention that her behavior has also become erratic over the past several months.(CAPLAN USMLE step2 CK internal_1_Q_37)(ビタミンB12欠乏症の症例)

• 軌道の定まらない。一貫性のない、不安定な、不規則な

関

aberrant、associated、concomitant、erratically