porous

English · Thesaurus

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porous

/ˈpɔːɹəs/ UK
/ˈpɔɹəs/ Canada, US
[ˈpɔ.ɹəs] Canada, US
/ˈpoːɹəs/ Australia, New Zealand

Rhymes with -ɔːɹəs

Where it comes from

From Old French poros, from Latin porus (“an opening”). By surface analysis, pore + -ous.

adjective more porous · most porous

Full of tiny pores that allow fluids or gasses to pass through. Sponges are porous so they can filter water while trapping food.
Similar: permeable
figuratively With many gaps or loopholes. However, Wolves ^([sic]) porous defence opened up again to gift Sunderland a foothold in the game - Sessegnon sweeping in a Zenden corner that was inexplicably allowed to bounce in the six-yard box.

Thesaurus

Closest in meaning: permeable, porose, leaky, poriferous, holey, pore, fragile, treatable, vulnerable, flawed, insubstantial, loopholes, penetrable, absorbent, spongy, sponge-like

Translations

Every language

adj full of tiny pores

Español	poroso
日本語	多孔質の takōshitsu no, 多孔の takō no
中文	多孔的 duōkǒng de
Português	poroso
Français	poreux
Deutsch	porös
Italiano	poroso
Ελληνικά	πορώδης poródis
Русский	по́ристый póristyj
العربية	مَسَامِّيّ masāmmiyy

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MLA

"porous." Wiktionary, via Micwyn, micwyn.com/word/porous. Accessed 6 Nov. 2026.

APA

porous. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/porous

Chicago

"porous." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/porous.

BibTeX

@misc{porous_2026,
  title = {porous},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/porous},
  urldate = {2026-11-06}
}