not personal; without reference or connection to a particular person: an impersonal remark.
2.
having no personality; devoid of human character or traits: an impersonal deity.
3.
lacking human emotion or warmth: an impersonal manner.
4.
Grammar.
a.
(of a verb) having only third person singular forms and rarely if ever accompanied by an expressed subject, as Latin pluit “it is raining,” or regularly accompanied by an empty subject word, as English to rain in It is raining.
b.
(of a pronoun or pronominal reference) indefinite, as French on “one.”
without reference to any individual person; objective: an impersonal assessment
2.
devoid of human warmth or sympathy; cold: an impersonal manner
3.
not having human characteristics: an impersonal God
4.
grammar (of a verb) having no logical subject. Usually in English the pronoun it is used in such cases as a grammatical subject, as for example in It is raining
1520, a grammatical term, from L.L. impersonalis, from in- "not" + personalis "personal." Sense of "not connected with any person" is from 1630; that of "not endowed with personality" is from 1842.