Peter uses aneklaletos to describe the joy of those who love and believe in the unseen Christ: "you rejoice with joy that is inexpressible (aneklaletos) and filled with glory" (1 Peter 1:8). This is not a quiet or contained joy — it is joy so full it exceeds speech, already tasting the glory that awaits. The contrast is remarkable: they have not seen Jesus (as the original disciples had) and yet their joy surpasses what words can hold. Faith produces speech-silencing joy.
Aneklaletos comes from a-privative + ek + laleo (speak) — that which cannot be spoken. Very close to anekdiegetos (G411) but from a different Greek word for speaking, emphasizing the inability to utter rather than to narrate in detail.