1) As if dead 2) Deadly 3) In a lifeless manner 4) Insensibly 5) Limply 6) Motionlessly 7) Unresponsively 8) Without animation or vitality 1) Dully 2) Floppily 3) Inertly 4) Limply 
[adv] - without animation or vitality 2. [adv] - in a lifeless manner
adverb as if dead