What are the opposite words for imperforate?

Imperforate means completely closed or lacking a passage or opening. Some antonyms for imperforate are perforated, porous, and open. Perforated means a material or object has small holes punched or pierced through it. Porous describes something that has small gaps or openings that allow fluids or air to pass through. Open is the opposite of closed, allowing unrestricted access or passage. Other antonyms for imperforate include penetrable, permeable, and passable. These words are used to describe an object or material that allows substances to enter or exit through small openings or pores.