How to Use proof in a Sentence

proof

1 of 3 noun
  • The proof shows that the theorem is true.
  • The document was proof that her story was true.
  • He claims that he was home when the murder was committed, but he has no proof.
  • There is a chance the SSA will already have some proof of death in their files.
    Tom Margenau, Dallas News, 4 June 2023
  • To see the proof, start by looking to Las Vegas this week.
    Chris Velazco, Washington Post, 8 Jan. 2024
  • Here was the proof that held up as Dr. van Pelt took the stand against Holocaust denial.
    Leonardo Bevilacqua, The Christian Science Monitor, 10 Apr. 2024
  • The proof is fresh as the Diamondbacks made the playoffs with 84 wins as the Padres limped off with 82.
    Bryce Miller, San Diego Union-Tribune, 18 Mar. 2024
  • Dinner here is proof that the best things in life get better with age.
    William Li, Town & Country, 9 June 2023
  • She was not required to show proof of that during the bond hearing.
    Shaddi Abusaid, ajc, 21 July 2023
  • The Cyber Monday KitchenAid deals are good this year—let the list below be proof.
    Tiffany Hopkins, Bon Appétit, 27 Nov. 2023
  • Is this the ultimate proof that kids are growing up way too fast?
    Melissa Willets, Parents, 3 Jan. 2024
  • But there was no proof that Terrance arrived at the Circle K.
    Thomas Lake, CNN Money, 21 Apr. 2023
  • The study was, at last, proof that sunscreen use prevents cancer.
    Grace Browne, WIRED, 12 July 2023
  • For proof, turn on the ’90s cult classic Kids and see her in the corner, wearing skater jeans from Liquid Sky.
    Faran Krentcil, Harper's BAZAAR, 14 Apr. 2023
  • Here's proof that flat sandals can be fanncy shoes too.
    Alexis Bennett, Vogue, 12 July 2023
  • How is Obamacare the best proof out there That politicians would rather fight with each other than get things done?
    Laura Johnston, cleveland, 25 Aug. 2023
  • Kate Hudson is proof that bundling up this winter can be warm and stylish with a teddy bear coat.
    Taylor Jean Stephan, Peoplemag, 17 Jan. 2024
  • The song is proof that Karrahbooo is the real deal and that she’s just getting started.
    Nancy Dillon, Rolling Stone, 18 Jan. 2024
  • The Yeti is durable, spill proof, and double-wall insulated to keep drinks cold (or warm) for hours.
    Alesandra Dubin, Travel + Leisure, 12 Apr. 2023
  • View full post on Instagram If the photo wasn't enough proof, the real tell-tale sign is the caption.
    Olivia Evans, Women's Health, 11 Apr. 2023
  • And so far, there is no proof that any part of a person can continue on after death.
    Barry Markovsky, Discover Magazine, 29 Oct. 2023
  • Ellie Bird, in the Founder’s Row development, is proof that some people can go home again — and in the case of the Tangs, as heroes.
    Tom Sietsema, Washington Post, 2 June 2023
  • Not all of the best orchid pots need to be fancy, and this one from Target brand Room Essentials is proof.
    Quincy Bulin, Better Homes & Gardens, 30 May 2023
  • This means if no proof of a dog’s aggression exists, the first bite a dog makes is considered free.
    Myah Taylor, Dallas News, 18 July 2023
  • The Palace claimed Charles tried to call Harry (sources later told me there was never any proof of this), and that there was no more time left to delay.
    Michelle Tauber, Peoplemag, 15 Nov. 2023
  • The Barcelona court which made the ruling said that there was proof that the assault was not consensual, the court press office said in a statement.
    Al Goodman, CNN, 22 Feb. 2024
  • Yuri Lowenthal always wanted to be Spider-Man — and he’s got proof.
    Katcy Stephan, Variety, 21 Oct. 2023
  • Paul is proof that normal-sized humans can thrive in a world of giants through smarts, tenacity and skill.
    Greg Moore, The Arizona Republic, 3 May 2023
  • Olivia Munn is living proof that even celebrities have wardrobe malfunctions now and then!
    Angel Saunders, Peoplemag, 20 Dec. 2023
  • No wonder the issue of proof is crucial in many accounts of gaslighting: the tights on the boat, the charts that show decades of hearing loss, the other women who were assaulted.
    Leslie Jamison, The New Yorker, 1 Apr. 2024
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proof

2 of 3 adjective
  • Tap or click for my fool-proof way to get a streak-free screen.
    Kim Komando, USA TODAY, 26 Jan. 2023
  • The cushioned footbed and budge-proof straps are game-changers.
    Lauren Sanchez, Vogue, 9 July 2021
  • Consider a crate or small room in the most sound-proof area of your home.
    People Staff, PEOPLE.com, 5 May 2022
  • Having a spill-proof cup or a mug with a lid helps too, as some have learned the hard way.
    New York Times, 31 Dec. 2020
  • It was believed to be the first time Francis had used a bullet-proof car.
    Nicole Winfield, Anchorage Daily News, 5 Mar. 2021
  • But our walk-in closet was hardwood, which was proof enough for me.
    Laura Johnston, cleveland, 10 Sep. 2022
  • Quintero said his tech skills are proof enough of the maxim that old dogs can learn new tricks.
    Ambar Castillo, STAT, 24 Mar. 2023
  • Starr expects to send the first 20 sets of helmets and bullet-proof vests to Respect.
    Andrew Hay, Fox News, 9 Mar. 2022
  • But what if Musk isn’t searching for a sure-proof legal case?
    Abram Brown, Forbes, 7 June 2022
  • The pair run a business that has been helping people weather-proof storms since the 1960s.
    Ellen Francis, Washington Post, 28 Sep. 2022
  • In 2011, a predator-proof fence was completed to protect the seabird colonies from the likes of cats and mongoose.
    Ku‘u Kauanoe, USA TODAY, 29 Sep. 2022
  • An 11-year-old boy’s killing isn’t proof black lives don’t matter to black people.
    Theresa Vargas, Washington Post, 15 July 2023
  • There isn't a full-proof way to verify that your go-to apps will work on an M1 MacBook.
    Patrick Moorhead, Forbes, 12 Apr. 2021
  • Use a high-quality and high-proof bourbon as the spirit.
    Maggie Menderski, The Courier-Journal, 10 Apr. 2023
  • Bats are reviewed prior to the start of each game and a tamper-proof sticker of approval is placed on the bat.
    Mike Wilson, USA TODAY, 2 Apr. 2022
  • This one is easy to carry, keeps water cold for hours, and has a truly leak-proof lid.
    Alesandra Dubin, Travel + Leisure, 27 Mar. 2023
  • The Petersens are not alone in their desire for a disaster-proof home.
    New York Times, 12 Nov. 2021
  • Authorities said the guard was wearing a bullet-proof vest at the time of the shooting.
    Louis Casiano, Fox News, 15 Feb. 2023
  • Both wore snake-proof Kevlar boots, wary of rattlers and water moccasins.
    Los Angeles Times, 27 Nov. 2020
  • Maserati Mike, who wore a bow tie and what appeared to be a bullet-proof vest, carried a bullhorn and a long rifle.
    Bill Glauber, Milwaukee Journal Sentinel, 18 Nov. 2021
  • While there are tons of great Valentine's Day desserts to choose from, cookies are one of the easiest and most fail-proof options.
    Katie Bourque, Good Housekeeping, 28 Dec. 2022
  • The result is a fool-proof sonic homage to an ever-lasting rap lineage.
    Natalie Maher, Harper's BAZAAR, 29 Dec. 2020
  • If that’s not an option, cover your stash with something dark to block the light and choose items to store in light-proof containers.
    Popular Science, 9 Nov. 2020
  • That Christie is the exception rather than the rule within his party is proof positive of that fact.
    Chris Cillizza, CNN, 7 Feb. 2022
  • What 2020 taught us is that even the most recession-proof jobs can be challenged in some circumstances.
    Washington Post, 29 Dec. 2020
  • In Umoja, no one is in much doubt that the drought is driving up violence — its swelling numbers are proof enough.
    Aie Balagtas See, Washington Post, 3 Jan. 2023
  • Supporters say the rich can afford it, and there’s no proof high-income earners are fleeing the state.
    Russ Mitchell, Los Angeles Times, 7 Oct. 2022
  • Each bourbon ball is covered in creamy chocolate and topped with a pecan—and contains Evan Williams 100 proof bourbon.
    Moriah Mason, Southern Living, 18 Oct. 2023
  • Walking down a street in New Delhi or Bangalore is proof enough.
    Michelle Toh, CNN, 22 Aug. 2023
  • Uncertainty is hardly proof that humanity is in danger.
    WIRED, 28 Sep. 2023
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proof

3 of 3 verb
  • She proofed the story carefully.
  • Stick the tray in a fridge and allow it to proof for anywhere from 24 to 48 hours.
    Tribune News Service, cleveland, 1 June 2021
  • Add the yeast and warm milk to a mixing and let stand for 7 minutes to proof.
    Kristianne Hannemann, USA TODAY, 2 Dec. 2022
  • There are a ton of products on the market that can be used to cat-proof a home.
    Courtney Vinopal, Washington Post, 2 Mar. 2023
  • Then, lightly flour the tops of the loaves and place them in the baskets to proof, seam-side facing up.
    Washington Post, 19 May 2021
  • No land-use regime can proof a city for 50 inches of rain.
    Henry Grabar, Slate Magazine, 27 Aug. 2017
  • The pyrotechnics ignited the sound-proofing foam near the stage, and the flames licked their way up the wall.
    Amanda Milkovits, BostonGlobe.com, 19 Feb. 2023
  • Set in a warm place to proof until doubled in size, about 2 hours.
    Los Angeles Times, 26 Aug. 2019
  • Your dogs and cats can also bring the pests inside, so check them and tick-proof your yard.
    Jen Christensen, CNN, 8 Jan. 2020
  • City planners hope the $130 million project will help flood-proof the city.
    Lucy Sherriff, Fortune, 22 Aug. 2022
  • Cover the dough and set aside in a warm area to proof for 1 to 2 hours, or until doubled in volume.
    Time, 12 Aug. 2021
  • Check out how to get rid of as much dust in your home as possible, along with how to pollen-proof your place.
    Korin Miller, SELF, 11 July 2018
  • The Dutch government has embarked on a future-proofing project to beef up the 20-mile dam.
    SFChronicle.com, 23 Sep. 2019
  • So now’s a good time for investors to bear-proof their 401(k)s before the next financial storm.
    Matthew Frankel, USA TODAY, 12 Apr. 2018
  • The other network that chose to fully corona-proof its fall lineup was The CW.
    Therese Odell, Houston Chronicle, 13 Oct. 2020
  • Make sure the brine soaks into the dimples, then allow the dough to proof once more for about 45 minutes until the dough is bubbly.
    Karla Walsh, Better Homes & Gardens, 17 June 2021
  • This means that there isn't proof positive these structures are there.
    John Wenz, Popular Mechanics, 8 Oct. 2018
  • This camera is a great way to future-proof your memories.
    Scott Kramer, Forbes, 22 May 2022
  • Cover with a damp tea towel and leave to proof in a warm place for another 30 minutes.
    San Diego Union-Tribune, 24 Nov. 2021
  • Crucially, the senators had the foresight to future-proof their bill.
    Beth Gardiner, Scientific American, 15 July 2022
  • Letting the dough proof one more time encourages an airy texture.
    Alex Delany, Bon Appetit, 9 Apr. 2018
  • By making the nexus in pillar 1 general, the countries have helped future-proof the rule.
    Robert Goulder, Forbes, 1 Sep. 2021
  • To note, this dough will proof/rise considerably, so make sure your container is at least 3 times as large as the dough.
    Kristen Farmer Hall, al, 27 Aug. 2019
  • This waterproof rain jacket is proof your rainy day fit can — and should — look runway-ready chic.
    Marissa Miller, Travel + Leisure, 13 Mar. 2023
  • Also, some recipes call for proofing dough in a warm place, like on top of the refrigerator.
    oregonlive, 27 Dec. 2019
  • This waterproof rain jacket is proof your rainy day fit can — and should — look runway-ready chic.
    Marissa Miller, Travel + Leisure, 13 Mar. 2023
  • There are numerous ways for brands to future-proof their business.
    Kian Bakhtiari, Forbes, 9 Aug. 2022
  • Never has the drama of a proofing drawer felt more alive and essential.
    Margaret Lyons, New York Times, 21 June 2018
  • Bread bakers will love that because of this measuring cup’s size, home cooks can mix the dough and proof it in one container.
    Maya Polton, Better Homes & Gardens, 25 Oct. 2022
  • While yeast is proofing, whisk together the butter, egg yolks, and vanilla extract.
    Emanuella Grinberg, CNN, 20 Feb. 2023

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