But they held their peace, and answered him not a word: for the king's commandment was, saying, Answer him not.
Answered him not a word - so as not to enter into a war of words with the blasphemer (Exodus 14:14; Jude 1:9).
Related Commentaries of Isaiah 36:21
Isaiah 36:21
21 But they held their peace, and answered him not a word: for the king's commandment was, saying, Answer him not.