Source : Webster's Revised Unabridged Dictionary (1913)

Squashy \Squash"y\, a.
   Easily squashed; soft.

Source : WordNet®

squashy
     adj : resembling a sponge in having soft porous texture and
           compressibility; "spongy bread" [syn: {spongy}, {squishy},
            {spongelike}]
     [also: {squashiest}, {squashier}]