Greek Strong's Dictionary with all the Synonyms inserted into the definitions.
Greek Synonyms inserted into Greek Strong's Dictionary
0012 + the deep + the bottomless + of the bottomless + of the bottomless + out of the bottomless +/ . abussos {ab'-us-sos}; from 0001 + Alpha (as a negative particle) and a variation of 1037 + in the deep +/ ; depthless, i .e . (specially) (infernal) "abyss": --deep, (bottomless) pit .