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

sop \sop\, v. t. imp.  p. p. sopped; p. pr.  vb. n.
   sopping.
   to steep or dip in any liquid.
   1913 webster
see also:
sopped sopping 

[2] : WordNet (r) 2.0

sop
     n 1: piece of solid food for dipping in a liquid syn: sops
     2: a concession given to mollify or placate; "the offer was a
        sop to my feelings"
     3: a prescribed procedure to be followed routinely; "rote
        memorization has been the educator's standard operating
        procedure for centuries" syn: standing operating
        procedure, standard operating procedure, standard
        procedure
     v 1: give a conciliatory gift or bribe to
     2: be or become thoroughly soaked or saturated with a liquid
        syn: soak through
     3: dip into liquid; "sop bread into the sauce"
     4: mop so as to leave a semi-dry surface; "swab the floors"
     5: become thoroughly soaked or saturated with liquid
     6: cover with liquid; pour liquid onto; "souse water on his hot
        face" syn: drench, douse, dowse, soak, souse
     also: sopping, sopped
see also:
sops standing operating procedure standard operating procedure standard procedure soak through drench 
douse dowse soak souse sopping 
sopped 

[3] : WordNet (r) 2.0

sopping
     adj : wet through and through; thoroughly wet; "stood at the door
           drenched or soaked by the rain"; "a shirt saturated
           with perspiration"; "his shoes were sopping or
           soaking"; "the speaker's sodden collar"; "soppy
           clothes" syn: drenched, saturated, soaked, soaking,
            sodden, soppy
     adv : extremely wet; "dripping wet"; "soaking wet" syn: soaking,
            dripping
see also:
drenched saturated soaked soaking sodden soppy 
dripping 

[4] : WordNet (r) 2.0

sopping
     see sop
see also:
sop 

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

70 moby thesaurus words for "sopping":
   awash, bathed, brewing, dampening, deluged, dipped, drench,
   drenched, drenching, dribbling, dripping, dripping wet, drowned,
   ducking, dunking, engulfed, flooded, humectant, imbruement,
   imbuement, immersed, impregnation, infiltration, infusion,
   injection, inundated, irrigational, irriguous, leaching,
   lixiviation, macerated, maceration, moistening, oozing, overflowed,
   percolation, permeated, permeation, pulping, saturated, saturation,
   seeping, seething, soak, soakage, soaked, soaking, soaking wet,
   soaky, sodden, soggy, sopping wet, soppy, souse, soused, sousing,
   steeped, steeping, submerged, submersed, swamped, watering,
   waterlogged, watersoaked, weeping, weltering, wet, wetting,
   whelmed, wringing wet

Sopping >> S Words
Sopping, definition of term: Sopping
sopping_pag1.html