denoting the verbal action of an unspecified agent and hence used with no expressed subject (as methinks) or with a merely formal subject (as rained in it rained) [adj IMPERSONALLY]
Not influenced by, showing, or involving personal feelings
(of a place or organization) Large, featureless, and anonymous
Not betraying any personal information about the user or subject
Not existing as a person; having no personality
(of a verb) Used only with a formal subject (in English usually it) and expressing an action not attributable to a definite subject (as in it is snowing)