ἄφωνος

Derivation

from G1 (Α) (as a negative particle) and G5456 (φωνή);

Meaning

voiceless, i.e. mute (by nature or choice); figuratively, unmeaning

In the King James Version

dumb, without signification

Translated as

dumb (3), signification (1)

Where it appears

Found in 4 verses

Acts

8:32

1 Corinthians

12:2, 14:10

2 Peter

2:16