What does "inaudibly" mean?

In a manner which is incapable of being heard or not loud enough to be heard.

What is a synonym for "inaudibly"?

Common synonyms include: mutely, quietly, silently, softly.

adv

adv ·4 syllables ·Rare ·Advanced level

Adverb

1
In a manner which is incapable of being heard or not loud enough to be heard.
"The cat scampered inaudibly across the floor."

Adverb

"The cat scampered inaudibly across the floor."

From inaudible + -ly.