impersonally

from WordNet (r) 3.0 (2006)

impersonally
    adv 1: without warmth; "he treated his patients impersonally"
           [ant: {personally}]
    2: in an impersonal manner; "when I told him about Russ I found
       it difficult to speak impersonally"

from The Collaborative International Dictionary of English v.0.48

Impersonally \Im*per"son*al*ly\, adv.
   In an impersonal manner.
   [1913 Webster]