Search Result for "echoless": 
Wordnet 3.0

ADJECTIVE (1)

1. having or producing no echo;
- Example: "the echoless darkness"



The Collaborative International Dictionary of English v.0.48:

Echoless \Ech"o*less\, a.
   Without echo or response.
   [1913 Webster]


WordNet (r) 3.0 (2006):

echoless
    adj 1: having or producing no echo; "the echoless darkness"