standoffishly

from WordNet (r) 3.0 (2006)

standoffishly
    adv 1: in a standoffish manner; "standoffishly, he declined the
           invitation to the office party"

from The Collaborative International Dictionary of English v.0.48

standoffish \stand*off"ish\, stand-offish \stand-off"ish\a.
   Shy or distant in manner; cold; aloof; reserved; not
   friendly.

   Syn: offish.
        [PJC] -- {stand*off"ish*ness}, n. -- {stand*off"ish*ly},
        adv.
        [PJC]