diffidently

from WordNet (r) 3.0 (2006)

diffidently
    adv 1: in a diffident manner; "`Oh, well,' he shrugged
           diffidently, `I like the work.'"

from The Collaborative International Dictionary of English v.0.48

Diffidently \Dif"fi*dent*ly\, adv.
   In a diffident manner.
   [1913 Webster]

         To stand diffidently against each other with their
         thoughts in battle array.                --Hobbes.
   [1913 Webster]