Greek Strong's Dictionary with all the Synonyms inserted into the definitions.
Greek Synonyms inserted into Greek Strong's Dictionary
1769 + speechless +/ . enneos {en-neh-os'}; from 1770 + signs + And they made +/ ; dumb (as making signs), i .e . silent from astonishment: --speechless .
2974 + dumb + and dumb + the dumb + and deaf + the deaf + speechless + and the deaf + out the dumb + to him a dumb + and it was dumb + unto him one that was deaf +/ . kophos {ko-fos'}; from 2875 + cut + down + mourn + bewailed + shall wail + and bewailed + her and lament + unto you and ye have not lamented +/ ; blunted, i .e . (figuratively) of hearing (deaf) or speech (dumb): --deaf, dumb, speechless .
5392 + Hold + be still + thy peace + to silence + ye may put + Thou shalt not muzzle + And he was speechless +/ . phimoo {fee-mo'-o}; from phimos (a muzzle); to muzzle: --muzzle .