Able to absorb fluids.

Roget 252: depressed etc. v.; alveolate^†, calathiform^†, cup-shaped, dishing; favaginous^†, faveolate^†, favose^†; scyphiform^†, scyphose^†; concave, hollow, stove in; retiring; retreating; cavernous; porous etc. (with holes) 260; infundibul^†, infundibular^†, infundibuliform^†; funnel shaped, bell shaped; campaniform^†, capsular; vaulted, arched.    ... show more

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

Roget 260: open; perforated etc. v.; perforate; wide open, ajar, unclosed, unstopped; oscitant^†, gaping, yawning; patent.    tubular, cannular^†, fistulous; pervious, permeable; foraminous^†; vesicular, vasicular^†; porous, follicular, cribriform^†, honeycombed, infundibular^†, riddled; tubulous^†, tubulated^†; piped, tubate^†.    opening etc. v.; aperient^†.    ... show more

Full of pores or vessels or holes.

synonym: poriferous.

Dutch: poreus
Polish: porowaty

Allowing passage in and out:
— Our unfenced and largely unpoliced border inevitably has been very porous.

synonym: holey.

Polish: dziurawy