Wordnet 3.0
ADJECTIVE (1)
1. 
 appearing dead; 
 not breathing or having no perceptible pulse; 
- Example: "an inanimate body"- Example: "pulseless and dead"[syn: breathless, inanimate, pulseless]
The Collaborative International Dictionary of English v.0.48:
Pulseless \Pulse"less\, a.
   Having no pulsation; lifeless.
   [1913 Webster]
WordNet (r) 3.0 (2006):
pulseless
    adj 1: appearing dead; not breathing or having no perceptible
           pulse; "an inanimate body"; "pulseless and dead" [syn:
           breathless, inanimate, pulseless]