How to Use harden in a Sentence

harden

verb

• The presence of certain substances in the blood can cause the arteries to harden.
• These additives are designed to harden the steel.
• He had been hardened by his years of military service.
• The news has hardened opposition to the government.
• Wax can harden the finish and lessen the look of scratches.
  — Washington Post, 21 Nov. 2020
• The snow will get soft and a bit slushy in the afternoon but harden up at night.
  — Washington Post, 12 Mar. 2021
• Soot can harden on chimney walls as flammable creosote.
  — oregonlive, 14 Jan. 2021
• An abrupt shutdown could cause any fluids in piping to harden and take days or weeks to remove.
  — Bloomberg Wire, Dallas News, 19 Feb. 2021
• Allow the putty to harden for a few minutes or until fully dry.
  — Angela Watson, chicagotribune.com, 23 Feb. 2021
• In a normal buck, as the days get shorter, testosterone levels rise which triggers the antlers to harden.
  — Tony Kalna Jr., Outdoor Life, 16 Dec. 2020
• In plaster casting, the plaster is soft before hardening in the form.
  — Chadd Scott, Forbes, 16 Oct. 2024
• In leaf-cutter ants, this coating is made of thousands of tiny, plate-like crystals that harden their exoskeleton.
  — National Geographic, 25 Nov. 2020
• There are ways to harden power plants, wind turbines and natural gas wells, which all froze to some degree during the crisis.
  — Dallas News, 21 Feb. 2021
• These harden into tiny round powder pellets, with very few impurities.
  — T. Edward Nickens, Field & Stream, 5 Mar. 2021
• But in recent years, attitudes toward Jews have appeared to harden in some French minds.
  — Colette Davidson, The Christian Science Monitor, 17 Oct. 2024
• Chocolate chips contain emulsifiers and will not harden properly.
  — Lisa Ruland, Bon Appétit, 12 Feb. 2021
• See the many possibilities rather than letting your opinions harden into a stubborn refusal to change.
  — Tribune Content Agency, oregonlive, 20 Dec. 2020
• Applied warm to trap trigger mechanisms, the fat can quickly harden in frosty or subfreezing conditions.
  — Tim MacWelch, Outdoor Life, 20 Jan. 2021
• Again, your goal is not to harden your son to the meanness of the world.
  — Meghan Leahy, Washington Post, 21 Dec. 2022
• The churned ice cream needs to harden in the freezer for at least 6 hours.
  — Ann Maloney, Washington Post, 24 June 2022
• When your bread is about to go stale, stick it in the freezer to harden.
  — People Staff, Peoplemag, 24 Oct. 2022
• Only from the sixth plague on does the Torah state that God hardened Pharaoh’s heart.
  — Rabbi Avi Weiss, Sun Sentinel, 8 Jan. 2024
• But then comes autumn to harden the grain, / to warn it to ripen ahead of the winter.
  — Katy Waldman, The New Yorker, 3 Aug. 2021
• To harden them, the researchers used water to wash away the PEG.
  — Robert F. Service, Science | AAAS, 8 Apr. 2021
• Then the wings will fill with fluid and the bodies will harden.
  — Chris McKeown, The Enquirer, 6 Apr. 2021
• And for now, the leak and Moscow’s response may well harden Mr. Scholz’s view.
  — Ned Temko, The Christian Science Monitor, 7 Mar. 2024
• In sum, this week find a good spot to harden off your indoor grown plants.
  — Jeff Lowenfels, Anchorage Daily News, 13 May 2021
• Another is to grow the rough, harden the fairways, quicken the greens, tweak the tees.
  — Mark Zeigler, San Diego Union-Tribune, 14 June 2021
• VanTrece likes to do this while the skillet is still warm, before the grime gets a chance to harden or get crusty.
  — Marygrace Taylor, SELF, 6 Nov. 2021
• If allowed to cool too much, the sugar on the bottom of the pan will harden, taking the cake hostage.
  — Washington Post, 3 June 2021

Last Updated: 9 Jun 2024