Of the nature or character of a sponge; spongiform or spongoid.Resembling a sponge in certain particulars; soft or elastic and porous; of open, loose, compressible texture, like a bath-sponge; punky, pithy, or soft-grained, as wood; boggy or soggy, as soil; absorbent; imbibitive. See cuts under cellular and cystolith.As it were soaked with drink; drunken.Moist; wet; rainy.In bookbinding, having a certain looseness or softness, which arises from irregularities in type impressions which have not been beaten out.