adjective

1. not personal; specif.,
   1. without connection or reference to any particular person an impersonal comment
   2. not existing as a person an impersonal force
2. not showing human feelings, esp. sympathy or warmth don't be so cold and impersonal
3. Gram.
   1. designating or of a verb occurring only in the third person singular, in English generally with it as the indefinite subject (Ex.: “it is snowing”)
   2. indefinite: said of pronouns

Etymology: LL impersonalis

noun