DICT.TW Dictionary Taiwan

 Speech·less, a.
 1. Destitute or deprived of the faculty of speech.
 2. Not speaking for a time; dumb; mute; silent.
    Speechless with wonder, and half dead with fear.   --Addison.
 -- Speech*less*ly, adv. -- Speech*less*ness, n.
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 speechlessly
      adv : without speaking; "he stood up soundlessly and speechlessly
            and glided across the hallway and through a door"