Translation

人間味のない / 個人的でない / 非人称の

Meaning

Impersonal means not showing personal feeling, warmth, or individual attention. It often describes a tone, service, message, or system that feels distant or mechanical. Do not confuse it with interpersonal, which means between people.

Examples

• その自動返信は冷たく機械的に感じました。
  The automated reply felt cold and impersonal.
• 大きな病院では対応が非個人的に感じられることがあります。
  Care can feel impersonal in a large hospital.