VOICELESSLY
Etymology
Adverb
voicelessly (comparative more voicelessly, superlative most voicelessly)
In a voiceless manner.
Source: Wiktionary
VOICELESS
Voice"less, a.
1. Having no voice, utterance, or vote; silent; mute; dumb.
I live and die unheard, With a most voiceless thought, sheathing it
as a sword. Byron.
2. (Phon.)
Definition: Not sounded with voice; as, a voiceless consonant; surd.
Voiceless stop (Phon.), a consonant made with no audible sound except
in the transition to or from another sound; a surd mute, as p, t, k.
– Voice"less*ly, adv.
– Voice"less*ness, n.
Source: Webster’s Unabridged Dictionary 1913 Edition