[1] : The Collaborative International Dictionary of English v.0.48

abundant \abun"dant\, a. oe. habundant, aboundant, f.
   abondant, fr. l. abudans, p. pr. of abundare. see abound.
   fully sufficient; plentiful; in copious supply; -- followed
   by in, rarely by with. "abundant in goodness and truth."
   --exod. xxxiv. 6.
   1913 webster

   abundant number math., a number, the sum of whose aliquot
      parts exceeds the number itself. thus, 1, 2, 3, 4, 6, the
      aliquot parts of 12, make the number 16. this is opposed
      to a deficient number, as 14, whose aliquot parts are 1,
      2, 7, the sum of which is 10; and to a perfect number,
      which is equal to the sum of its aliquot parts, as 6,
      whose aliquot parts are 1, 2., 3.
      1913 webster

   syn: ample; plentiful; copious; plenteous; exuberant;
        overflowing; rich; teeming; profuse; bountiful; liberal.
        see ample.
        1913 webster
see also:
abound abundant number deficient perfect ample 

[2] : WordNet (r) 2.0

abundant
     adj : present in great quantity; "an abundant supply of water"
           ant: scarce
see also:
scarce 

[3] : Moby Thesaurus II by Grady Ward, 1.0

91 moby thesaurus words for "abundant":
   abounding, affluent, all-sufficing, ample, aplenty, blooming,
   bottomless, bounteous, bountiful, bursting, bursting out, common,
   copious, countless, crammed, creative, crowded, diffuse, diffusive,
   effuse, effusive, epidemic, exhaustless, extravagant, exuberant,
   fat, fecund, fertile, flourishing, flush, formless, fructiferous,
   fruitful, full, full of, galore, generous, gushing, gushy,
   in good supply, in plenty, in quantity, inexhaustible, lavish,
   liberal, lush, luxuriant, many, maximal, much, multitudinous,
   numerous, opulent, overflowing, plenitudinous, plenteous,
   plentiful, plenty, pleonastic, pregnant, prevailing, prevalent,
   prodigal, productive, profuse, profusive, proliferous, prolific,
   rampant, redundant, reiterative, repetitive, replete, rich, rife,
   riotous, running over, seminal, superabundant, swarming,
   tautologous, teeming, thick, thriving, uberous, wealthy,
   well-found, well-furnished, well-provided, well-stocked,
   wholesale

Abundant >> A Words
Abundant, definition of term: Abundant
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Abundant Number >> A Words
Abundant Number, definition of term: Abundant Number
abundant+number_pag1.html