1. 
2. 
[syn: mute, tongueless, unspoken, wordless]
The Collaborative International Dictionary of English v.0.48:
Tongueless \Tongue"less\, a.
   1. Having no tongue.
      [1913 Webster]
   2. Hence, speechless; mute. "What tongueless blocks were
      they! would they not speak?" --Shak.
      [1913 Webster]
   3. Unnamed; not spoken of. [Obs.]
      [1913 Webster]
            One good deed dying tongueless.       --Shak.
      [1913 Webster]
WordNet (r) 3.0 (2006):
tongueless
    adj 1: lacking a tongue; "tongueless moccasins" [ant: tongued]
    2: expressed without speech; "a mute appeal"; "a silent curse";
       "best grief is tongueless"- Emily Dickinson; "the words
       stopped at her lips unsounded"; "unspoken grief"; "choking
       exasperation and wordless shame"- Thomas Wolfe [syn: mute,
       tongueless, unspoken, wordless]