POROUS Synonyms: 18 Similar and Opposite Words

porous

adjective

ˈpȯr-əs

Definition of porous

as in penetrable

capable of being passed into or through a cleaner that should not be used on porous surfaces

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of porous The South Korean government said last year there were at least 17 active road and rail links across the porous North Korea-China border, which stretches more than 870 miles. — Los Angeles Times, 14 Oct. 2026 That’s due to the scarcity of this type of tree, as well as the porous nature of the wood which means that there is a very high angel’s share during maturation. — Jonah Flicker, Robb Report, 12 Oct. 2026 The film feels particularly porous despite its over-two-hour running time, a testament not only to Chidgasornpongse’s longtime team-up with Weerasethakul (here credited as producer) but also to his own dramaturgical strengths. — Lé Baltar, IndieWire, 8 Oct. 2026 Typically, photocatalysts are materials called Metal-Organic Frameworks (MOFs), which are crystalline, porous materials. — Ameya Paleja, Interesting Engineering, 5 Oct. 2026 See All Example Sentences for porous

Recent Examples of Synonyms for porous

Adjective

The wall between the two has long been viewed as performative and penetrable.

— Seema Mehta, Los Angeles Times, 26 May 2026
By breaking actives down into smaller molecules, the fermentation process makes the ingredient more bioavailable and penetrable.

— Jenny Berg, Vogue, 23 Sep. 2025

Definition of penetrable

Adjective

Less permeable land for rain to be absorbed means the water has to go into the stormwater drainage system.

— Orlando Sentinel Staff, The Orlando Sentinel, 13 Oct. 2026
The family’s dream home (a magazine-pristine and coolly atmospheric feat by production designer Alain Bainée) certainly looks solid, but proves quite permeable — beginning one morning when a gaping hole suddenly appears in the garden wall.

— Guy Lodge, Variety, 8 Sep. 2026

Definition of permeable

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porny

porous

port

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“Porous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/porous. Accessed 21 Oct. 2026.

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Synonyms of porous

adjective

Example Sentences

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