impersonal (adj.) Look up impersonal at Dictionary.com
mid-15c., a grammatical term, from Late Latin impersonalis, from assimilated form of in- "not, opposite of" (see in- (1)) + personalis "personal" (see personal). Sense of "not connected with any person" is from 1620s; that of "not endowed with personality" is from 1842. Related: impersonally.