ADJECTIVE (4)

1. extremely deep;
- Example: "a bottomless pit"
- Example: "a bottomless lake"

2. having no bottom;
- Example: "bottomless pajamas consisting simply of a long top opening down the front"

3. having no apparent limits or bounds;
- Example: "a bottomless supply of money"
- Example: "bottomless pockets"

4. unclothed especially below the waist or featuring such nudeness;
- Example: "bottomless dancers"
- Example: "a bottomless bar"

The Collaborative International Dictionary of English v.0.48:

Bottomless \Bot"tom*less\, a.
   Without a bottom; hence, fathomless; baseless; as, a
   bottomless abyss. "Bottomless speculations." --Burke.
   [1913 Webster]

WordNet (r) 3.0 (2006):

bottomless
    adj 1: extremely deep; "a bottomless pit"; "a bottomless lake"
    2: having no bottom; "bottomless pajamas consisting simply of a
       long top opening down the front" [ant: bottomed]
    3: having no apparent limits or bounds; "a bottomless supply of
       money"; "bottomless pockets"
    4: unclothed especially below the waist or featuring such
       nudeness; "bottomless dancers"; "a bottomless bar"

Moby Thesaurus II by Grady Ward, 1.0:

125 Moby Thesaurus words for "bottomless":
   a hog for, abounding, abundant, abysmal, abyssal, acquisitive,
   affluent, all-devouring, all-sufficing, ample, aplenty, avaricious,
   avid, bounteous, bountiful, cavernous, copious, coveting, covetous,
   deep as hell, devouring, diffuse, effuse, endless, epidemic,
   esurient, exhaustless, extravagant, exuberant, fat, fathomless,
   fertile, flush, full, galore, gaping, generous, gluttonous,
   gobbling, grabby, grasping, gratuitous, greedy, groundless,
   hoggish, immeasurable, in plenty, in quantity, inexhaustible,
   infinite, insatiable, insatiate, lavish, liberal, limitless,
   luxuriant, many, maximal, mercenary, miserly, money-hungry,
   money-mad, much, numerous, omnivorous, opulent, overflowing,
   overgreedy, piggish, plenitudinous, plenteous, plentiful, plenty,
   plumbless, plunging, prevailing, prevalent, prodigal, productive,
   profuse, profusive, quenchless, rampant, rapacious, ravening,
   ravenous, reasonless, replete, rich, rife, riotous, running over,
   slakeless, sordid, soundless, superabundant, swinish, teeming,
   unappeasable, unappeased, uncalled-for, unfathomable, unfathomed,
   unfounded, ungrounded, unjustifiable, unlimited, unquenchable,
   unsated, unsatisfied, unslakeable, unslaked, unsounded,
   unsupportable, unwarranted, venal, voracious, wealthy, well-found,
   well-furnished, well-provided, well-stocked, wholesale,
   without bottom, yawning