Hebrew and Greek Strong's Dictionary with all the definitions plus combined with every place that word is used in the definitions.
Complete index of every word used in both the Hebrew and Greek Strong's Dictionary in English Word order.
Hebrew and Greek Expanded Dictionary
bottomless 0012 - abussos {ab'-us-sos}; from 0001 (as a negative particle) and a variation of 1037; depthless, i.e. (specially) (infernal) " abyss " : -- deep, ({bottomless}) pit.