POROUS

Allowing liquid or gas to pass (6)

Solution has appeared in 2 crosswords (1 across and 1 down):

• Quick crossword No 16,191 — 2022-03-29 23:00:05
  15D: Permeable (6)
• Quick crossword No 15,516 — 2020-01-30 00:00:01
  23A: Allowing liquid or gas to pass (6)