Easily squashed; resembling a sponge in having soft porous texture and compressibility:
— Spongy bread.

synonyms: spongelike, squashy, squishy.

Roget 252a: cellular, spongy, spongious^†; honeycombed, alveolar; sintered; porous (opening) 260.   

Roget 322: rare, subtile, thin, fine, tenuous, compressible, flimsy, slight; light etc. 320; cavernous, spongy etc. (hollow) 252.    rarefied etc. v.; unsubstantial; uncompact^†, incompressed^†; rarefiable^†.    ... show more

Roget 324: soft, tender, supple; pliant, pliable; flexible, flexile; lithe, lithesome; lissom, limber, plastic; ductile; tractile^†, tractable; malleable, extensile, sequacious^†, inelastic; aluminous^†; remollient^†.    yielding etc. v.; flabby, limp, flimsy.    doughy, spongy, penetrable, foamy, cushiony^†.    flaccid, flocculent, downy; edematous, oedematous^†, medullary [Anat.], argillaceous, mellow.    soft as butter, soft as down, soft as silk; yielding as wax, tender as chicken.    ... show more

Polish: gąbkowaty, gąbczasty

Like a sponge in being able to absorb liquids and yield it back when compressed.

synonym: spongelike.