Meaning of bottomless

bot•tom•less

1. lacking a bottom.
2. immeasurably deep.
3. unfathomable; mysterious: a bottomless problem.
4. without bounds; unlimited: He seems to have a bottomless supply of money.
5. without basis, cause, or reason: a bottomless accusation.
6. nude or nearly nude below as well as above the waist: bottomless dancers.
7. featuring bottomless entertainers: a bottomless club.