na-adjective
impersonal; lacking individuality; anonymous
Describes something that lacks personal character or distinctiveness, often used for environments, designs, or behavior that feels generic.
このオフィスは没個性的で、誰の席かわからない。
This office is so impersonal that you can't tell whose desk is whose.
彼の文章
His writing lacks individuality; you can't tell who wrote it.