'Soundlessly' definitions:
Definition of 'soundlessly'
From: WordNet
adverb
Without a sound; "he stood up soundlessly and speechlessly and glided across the hallway and through a door" [syn: noiselessly, soundlessly]
Definition of 'Soundlessly'
From: GCIDE
- Soundless \Sound"less\, a. Having no sound; noiseless; silent. -- {Sound"less*ly}, adv. -- {Sound"less*ness}, n. [1913 Webster]