Impersonal (adjective)

1. Not relating to or done by a particular person; lacking a personal quality or presence.
2. Not having or showing personal feelings or opinions; detached.
3. Not involving personal feelings or opinions; objective.

Origin:

From the latin word "impersonalis" meaning "not personal".

Examples:

1. The impersonal tone of the letter made it clear that it was written by a computer.
2. The doctor maintained an impersonal manner, not revealing any of his emotions.
3. The news report was impersonal and gave only the facts of the event.
4. The impersonal service at the hotel left much to be desired.
5. The impersonal nature of the internet communication made it hard to build trust.