ドブネズミ Also written どぶねずみ, 溝鼠 Meanings Noun brown rat (Rattus norvegicus); common rat; street rat; sewer rat; Norway rat dark grey; dark gray deceitful employee; unfaithful servant Example sentences ハツカネズミとドブネズミは異なる。Mice are distinct from rats. Jinuma: Japanese Dictionary · Word lists