stealthiness

from WordNet (r) 3.0 (2006)

stealthiness
    n 1: a disposition to be sly and stealthy and to do things
         surreptitiously [syn: {furtiveness}, {sneakiness},
         {stealthiness}]

from The Collaborative International Dictionary of English v.0.48

Stealthiness \Stealth"i*ness\, n.
   The state, quality, or character of being stealthy; stealth.
   [1913 Webster]

[email protected]