How to Use keystone in a Sentence

keystone

noun
  • Tourism is the city's economic keystone.
  • Just trying to get to the keystones in this instance.
    Lance Eliot, Forbes.com, 24 Jan. 2026
  • That does seem like a keystone way to navigate your startup.
    Neil Senturia, San Diego Union-Tribune, 22 Dec. 2025
  • The ponderosa is a keystone species; the fates of many others are tied to its survival.
    Eliza Griswold, The New Yorker, 16 Sep. 2021
  • In ecosystems, keystone species—like beavers or sea stars—are small but essential.
    Scott Hutcheson, Forbes.com, 31 Mar. 2025
  • This aesthetic remained a band keystone for the rest of its career to date.
    Sam MacHkovech, Ars Technica, 12 July 2017
  • In that sense, the frame is both the bedrock and keystone of the entire Chief selection.
    Bryan Campbell, Robb Report, 21 Apr. 2021
  • Childs learned then that bats are a keystone species, on which other species in an ecosystem greatly depend.
    Mary Grace Keller, baltimoresun.com/maryland/carroll, 28 Oct. 2019
  • The new piece is something of a keystone, connecting two other vast coastal tracts that were about a mile apart.
    Erin Edgemon, AL.com, 21 Oct. 2017
  • The keystones will be presented.
    Lance Eliot, Forbes.com, 18 Sep. 2025
  • Careerism, not community, is the keystone in the arch of life.
    Derek Thompson, The Atlantic, 13 Dec. 2020
  • Offshore wind is a keystone to the Northeast’s climate goals.
    Benjamin Storrow, Scientific American, 22 July 2019
  • That allowed Dell's rep to pull off the keystone north of the keyboard and then slide the keyboard up and out.
    Scharon Harding, Ars Technica, 15 Dec. 2022
  • And how exactly does that fit into the equation of the keystones of our survival?
    Outside Online, 12 Nov. 2025
  • To many in the US, the keystone of the American dream is a house.
    Michaëla De Lacaze Mohrmann, Artforum, 1 Jan. 2026
  • Your brand consists of multiple pieces, but video should be considered the keystone of it all.
    John Hall, Forbes, 8 May 2022
  • Beavers, a keystone species, have been found to help mitigate the spread of wildfires, thanks to their water-damming habits.
    Lucy Sherriff, oregonlive, 1 May 2021
  • Paine dubbed the starfish a keystone species, after the necessary center stone that locks an arch into place.
    Adam Hadhazy, Discover Magazine, 10 Oct. 2019
  • Kim learned that beavers are a keystone species — an organism that holds an ecosystem together.
    Elizabeth Hernandez, Denver Post, 16 Apr. 2026
  • These small fishes—which are keystone species, critical to aquatic food chains—once spawned in coast rivers in the billions.
    Paul Greenberg, Smithsonian, 10 Apr. 2017
  • Bison are a keystone species to North American prairies.
    Fort Worth Star-Telegram, 29 Apr. 2026
  • The New York Yankees could be looking for an upgrade at the keystone.
    Matt Robison, Newsweek, 20 Nov. 2024
  • In short, transiting worlds have proved to be the keystones in the burgeoning search for Earth’s cosmic twins.
    Lee Billings, Scientific American, 11 Sep. 2019
  • These paintings are keystone works of Western art, and were at the top of my list of Umbrian must-sees.
    Peter Terzian, Travel + Leisure, 17 Oct. 2024
  • As the keystone of Central Europe, Poland shows the stakes clearly.
    Mark Sappenfield, Christian Science Monitor, 3 June 2025
  • Hartford Bonanza is always meant to be a keystone summer event.
    Christopher Arnott, Hartford Courant, 28 June 2026
  • City’s new keystone might not be as eye-catching on the pitch as Chelsea’s all-action attacker Rogers.
    Cerys Jones, New York Times, 24 July 2026
  • The sign describes how Whitebark is a keystone species essential for the health of the mountain ecosystem.
    Jayme Moye, Condé Nast Traveler, 27 Feb. 2023
  • For the keystones about prompting of personas in generative AI, see the link here and the link here.
    Lance Eliot, Forbes, 11 Feb. 2024
  • Here, Landau functions more as an emotional keystone.
    David Sims, The Atlantic, 23 Oct. 2025

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'keystone.' 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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