How to Use porous in a Sentence

porous

adjective
  • The country has a porous border.
  • Their most porous game of the year?
    — Luca Evans, Denver Post, 21 Dec. 2025
  • The Brick is porous and has to breathe.
    — Soo Kim, MSNBC Newsweek, 3 Sep. 2025
  • Do not soak or submerge, as wood is porous.
    — Caroline Lubinsky, Martha Stewart, 17 May 2026
  • Potting mix should be porous and fluffy.
    — Brandee Gruener, Southern Living, 13 May 2026
  • These weak points are porous and allow things like gas to pass through.
    — Joshua Hawkins, BGR, 9 Feb. 2022
  • Their defense against the run has been porous, to say the least, in the past three games.
    — Elliott Teaford, Oc Register, 22 Oct. 2025
  • That said, since cordierite is porous, like cast iron, it should never be washed with soap.
    — Rebecca Norris, Peoplemag, 14 Feb. 2023
  • It must be applied to flat, smooth surfaces that are non-porous.
    — Chris Hachey, BGR, 6 May 2021
  • The teams will be back to work in what could be a shootout against porous defenses.
    — Bob Ferrante, sun-sentinel.com, 11 Dec. 2020
  • Plus, the fabric is porous, so smaller droplets may be able to get through.
    — Danielle Braff, Washington Post, 3 June 2020
  • Much of the talk of the week had been about the Chiefs’ porous run defense.
    — Jeff Fedotin, Forbes, 26 Sep. 2021
  • Still, the boundaries between old and new can be porous.
    — Ethan Brooks, The Atlantic, 1 Jan. 2026
  • As days/years slipped by, the boundaries between here and there grew porous.
    — Usman T. Malik, Wired, 11 Dec. 2020
  • Hardges notes that creamy formulas (like this one) are a match for more porous hair.
    — Andrea Jordan, Good Housekeeping, 10 Feb. 2023
  • However, the border is porous and not all of the trade can be stopped.
    — Esha Mitra, CNN, 10 Dec. 2024
  • What’s the excuse for the porous defense?
    — Ryan Finley, San Diego Union-Tribune, 20 Oct. 2025
  • The second is that the law has proven more porous than expected.
    — The Economist, 30 Nov. 2019
  • The right side of the line was porous and Garoppolo was sacked five times.
    — Ann Killion, San Francisco Chronicle, 7 Nov. 2021
  • Bleach also does not deal with roots of mold colonies growing on porous surfaces.
    — Daley Quinn, Southern Living, 23 Oct. 2025
  • When porous substances land on a liquid, the pores fill with fluid.
    — The Physics Arxiv Blog, Discover Magazine, 15 Jan. 2024
  • If the strands stay open, your hair becomes porous and begins to look and feel damaged.
    — Elizabeth Denton, Allure, 19 Mar. 2019
  • The mulch should be porous enough to let water and air pass through it, but dense enough to prevent weed growth.
    — Mary Marlowe Leverette, Southern Living, 16 June 2026
  • The mix is porous and fine, which is ideal for the small roots and shoots of microgreens.
    — Renee Freemon Mulvihill, Better Homes & Gardens, 14 Feb. 2023
  • Braun's love for the porous footwear goes beyond Emmys night.
    — Erica Gonzales, Harper's BAZAAR, 21 Sep. 2020
  • Because the fabric is porous, water drains straight through to the soil.
    — David Beaulieu, The Spruce, 15 Feb. 2026
  • The longer one lives, the more porous one’s mind becomes, the less reliable.
    — Yiyun Li, The New Yorker, 16 Jan. 2023
  • Is the soil a porous, well-draining loam, or a rocky clay that will be hard to dig in and harder to drain?
    — Anthony Reardon, Kansas City Star, 25 Feb. 2026
  • The splash pad's soft, porous surface is suitable for the youngest children.
    — Shanti Lerner, The Arizona Republic, 26 May 2022
  • Glass is non-porous, doesn’t react with food and is microwave-, freezer- and oven-safe when labeled for it.
    — Allison Palmer, Fort Worth Star-Telegram, 27 Apr. 2026

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'porous.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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