WordWeb Online

1. Like a pulp or overripe; not having stiffness
   - pulpy
    
2. (of soil) soft and watery
   "the ground was squashy under foot";
   - boggy, marshy, miry, mucky, muddy, quaggy, sloppy, sloughy, soggy, swampy, waterlogged, squelchy
    
3. Easily squashed; resembling a sponge in having soft porous texture and compressibility
   "squashy bread";
   - spongy, squishy, spongelike

Derived forms: squashier, squashiest

See also: nonwoody, soft, squidgy [Brit, informal], wet