WordWeb Online

1. (of soil) soft and watery
   "the ground was soggy under foot";
   - boggy, marshy, miry, mucky, muddy, quaggy, sloppy, sloughy, squashy, swampy, waterlogged, squelchy
    
2. Having the consistency of dough because of insufficient leavening or improper cooking
   "the cake fell; it's a soggy mess";
   - doughy

Derived forms: soggier, soggiest

See also: heavy, squidgy [Brit, informal], wet