[1] : The Collaborative International Dictionary of English v.0.48

harmless \harm"less\ haumrm"le^s, a.
   1. free from harm; unhurt; as, to give bond to save another
      harmless.
      1913 webster

   2. free from power or disposition to harm; innocent;
      inoffensive. " the harmless deer." --drayton

   syn: innocent; innoxious; innocuous; inoffensive;
        unoffending; unhurt; uninjured; unharmed.
        --harm"lessly, adv.- harm"lessness, n. harmonic
see also:
harm"lessly harm"lessness 

[2] : WordNet (r) 2.0

harmlessly
     adv : in a harmless manner; "this is a harmlessly childish game"
           ant: detrimentally
see also:
detrimentally 

Harmlessly >> H Words
Harmlessly, definition of term: Harmlessly
harmlessly_pag1.html