The Collaborative International Dictionary
Indecipherably
Indecipherable \In`de*ci"pher*a*ble\, a. Not decipherable; incapable of being deciphered, explained, or solved. -- In`de*ci"pher*a*bly, adv.
Wiktionary
indecipherably
adv. In an indecipherable fashion.
Usage examples of "indecipherably".
Telshazz's words gurgled indecipherably as Errtu's canine maw tore its throat out.