All 3 Uses

impersonal
in
When the Legends Die
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The preacher, a tired little pinched-face man in a shabby black suit, said the service by rote and read a short, impersonal prayer.†
Chpt 31 *

impersonal = lacking warmth or personal connection
She chattered impersonally and when she wasn't talking she was humming to herself as though afraid of silence between them.†
Chpt 41
She gave him a thorough, efficient massage, but she seemed as impersonal about it as though he were someone who had just walked in off the street.†
Chpt 41

impersonal = lacking warmth or personal connection

Definitions:

(1) (impersonal)
not influenced by personal feelings -- often indicating a lack of warmth of personal connection
(2) (meaning too rare to warrant focus)