The Greek adjective aphoonos combines the negative particle a- and phone (voice, sound), meaning voiceless, mute, or without meaningful utterance. It appears four times in the New Testament: describing dumb idols (1 Corinthians 12:2), unintelligible tongues (1 Corinthians 14:10), and the prophetic lamb led to slaughter who "did not open his mouth" (Acts 8:32).
The theological arc of aphoonos moves from idols to Christ. Idols are aphoonos — voiceless because they are nothing (1 Corinthians 12:2). But Christ was willingly silent — "as a sheep before its shearers is silent, so he did not open his mouth" (Isaiah 53:7, cited in Acts 8:32) — not from powerlessness but from surrender to the Father's redemptive plan. The One who spoke creation into existence became voluntarily aphoonos before His accusers, that we might forever have a voice before God.