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

overflow \o`verflow"\, v. t. imp.  p. p. overflowed; p. pr.
    vb. n. overflowing. as. oferfl?wan. see over, and
   flow.
   1. to flow over; to cover woth, or as with, water or other
      fluid; to spread over; to inundate; to overwhelm.
      1913 webster

            the northern nations overflowed all christendom.
                                                  --spenser.
      1913 webster

   2. to flow over the brim of; to fill more than full.
      1913 webster
see also:
overflowed overflowing over flow 

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

overflowing \o`verflow"ing\, n.
   an overflow; that which overflows; exuberance; copiousness.
   1913 webster

         he was ready to bestow the overflowings of his full
         mind on anybody who would start a subject. --macaulay.
   1913 webster

[3] : WordNet (r) 2.0

overflowing
     adj 1: overfull with water; "swollen rivers and creeks" syn: flooding,
             in floodp, swollen
     2: covered with water; "the main deck was afloat or awash";
        "the monsoon left the whole place awash"; "a flooded
        bathroom"; "inundated farmlands"; "an overflowing tub"
        syn: afloatp, awashp, flooded, inundated
see also:
flooding in floodp swollen afloatp awashp flooded 
inundated 

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

126 moby thesaurus words for "overflowing":
   abounding, abundant, affluent, alive with, all-sufficing, ample,
   aplenty, bloated, bottomless, bounteous, bountiful, bristling,
   bursting, choked, congested, copious, countless, crammed, crawling,
   crowded, crowding, diffuse, diffusive, distended, drenched, effuse,
   effusive, epidemic, exhaustless, extravagant, exuberant, fat,
   fecund, fertile, filled to overflowing, flush, formless, full,
   galore, generous, glutted, gorged, gushing, gushy, hyperemic,
   in plenty, in profusion, in quantity, in spate, inexhaustible,
   jam-packed, jammed, lavish, liberal, luxuriant, many, maximal,
   much, multitudinous, numerous, opulent, overabundant, overblown,
   overburdened, overcharged, overfed, overfraught, overfreighted,
   overfull, overladen, overloaded, overstocked, overstuffed,
   oversupplied, overweighted, packed, plenitudinous, plenteous,
   plentiful, plenty, pleonastic, plethoric, populous, prevailing,
   prevalent, prodigal, productive, profuse, profusive, proliferating,
   prolific, rampant, ready to burst, redundant, reiterative,
   repetitive, replete, rich, rife, riotous, running over, satiated,
   saturated, stuffed, stuffed up, superabundant, supercharged,
   supersaturated, surcharged, surfeited, swarming, swollen,
   tautologous, teeming, thick, thick as hail, thick with,
   thick-coming, thronged, thronging, wealthy, well-found,
   well-furnished, well-provided, well-stocked, wholesale

Overflowing >> O Words
Overflowing, definition of term: Overflowing
overflowing_pag1.html