бездънен

Etymology
From.

Adjective

 * 1)  bottomless literally having no bottom
 * 2)  bottomless extremely deep; whose bottom cannot be seen
 * 3) fathomless
 * 4)  abyss; abyssal
 * 5)  boundless, immense (usually of emotions, experiences, etc.)
 * 6)  wasteful, profligate; wasting vast amounts of resources as though having no end
 * 1)  wasteful, profligate; wasting vast amounts of resources as though having no end