Greek Strong's Dictionary with all the Synonyms inserted into the definitions.
Greek Synonyms inserted into Greek Strong's Dictionary
0411 + for his unspeakable +/ . anekdiegetos {an-ek-dee-ay'-gay-tos}; from 0001 + Alpha (as a negative particle) and a presumed derivative of 1555 + declare + declaring +/ ; not expounded in full, i .e . indescribable: --unspeakable .
0412 + unspeakable +/ . aneklaletos {an-ek-lal'-ay-tos}; from 0001 + Alpha (as a negative particle) and a presumed derivative of 1583 + him See thou tell +/ ; not spoken out, i .e . (by implication) unutterable: --unspeakable .
0731 + unspeakable +/ . arrhetos {ar'-hray-tos}; from 0001 + Alpha (as a negative particle) and the same as 4490 + expressly +/ ; unsaid, i .e . (by implication) inexpressible: --unspeakable .