/ ɪmˈpɜːsənl; NAmE -ˈpɜːrs-/ adjective
1.
(usually disapproving ) lacking friendly human feelings or atmosphere; making you feel unimportant :
a vast impersonal organization
an impersonal hotel room
Business letters need not be formal and impersonal.
a cold impersonal stare
2.
not referring to any particular person :
Let's keep the criticism general and impersonal.
3.
( grammar ) an impersonal verb or sentence has 'it' or 'there' as the subject
► im·per·son·al·ity / ɪmˌpɜːsəˈnæləti; NAmE -ˌpɜːrs-/ noun [ U ]:
the cold impersonality of some modern cities
► im·per·son·ally / ɪmˈpɜːsənəli; NAmE -ˈpɜːrs-/ adverb
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WORD ORIGIN
late Middle English (in sense 3): from late Latin impersonalis , from Latin in- not + personalis of a person (from persona actor's mask, character in a play, later human being).