How to Use treacherous in a Sentence

treacherous

adjective
  • The snow made their hike all the more treacherous.
  • They were not prepared to hike over such treacherous terrain.
  • Discussions about money can lead couples into treacherous territory.
  • The most treacherous time of the year is here.
    — David Wysong, Cincinnati Enquirer, 8 Jan. 2026
  • The most treacherous time of the year is here.
    — David Wysong, Cincinnati Enquirer, 15 Jan. 2026
  • The most treacherous time of the year is here.
    — David Wysong, Cincinnati Enquirer, 29 Jan. 2026
  • The most treacherous time of the year is here.
    — David Wysong, Cincinnati Enquirer, 22 Jan. 2026
  • Trails and hikes abound but some are quite steep and may be treacherous.
    — Sylvie Bigar, Forbes, 28 Nov. 2023
  • But the path ahead is treacherous.
    — Aamer Madhani, Chicago Tribune, 3 Jan. 2026
  • This climb is far more treacherous.
    — Jace Frederick, Twin Cities, 7 May 2026
  • These guys go through some treacherous terrain and a lot of it is at night.
    — Angela Dawson, Forbes, 3 Mar. 2021
  • That’s why this is treacherous.
    — Tara Suter, The Hill, 12 May 2026
  • The descent to the street, where the men will meet a hearse, is a treacherous one.
    — Lovia Gyarkye, The Hollywood Reporter, 8 Sep. 2023
  • When a cold front with high wind scours the snow off the ice pack, footing can be treacherous.
    — The Editors, Outdoor Life, 27 Jan. 2020
  • The world can be treacherous, but the tiger is a master of survival.
    — Dallas News, 30 Nov. 2022
  • But be careful, as some roads in Tinos can be treacherous.
    — Stacey Leasca, Travel + Leisure, 12 Apr. 2026
  • Heat has made travel more treacherous in other parts of the world.
    — Justine Calma, The Verge, 25 July 2024
  • The captain turns our craft and prepares to make the treacherous run.
    — Craig Welch, National Geographic, 7 July 2020
  • The lines move little and make this forest treacherous ground for both sides.
    — Scott Peterson, The Christian Science Monitor, 12 Sep. 2024
  • If the first quarter of the year was bumpy, the second could be much more treacherous.
    — Yeo Boon Ping, CNBC, 1 Apr. 2025
  • Hickey made three trips back and forth in the treacherous water to save the boaters one by one.
    — Nicholas Williams, New York Daily News, 25 May 2025
  • The sea was churning and treacherous even for strong swimmers, as the wind kicked up the waves.
    — Claire Rush, Fortune, 14 Aug. 2023
  • But that treacherous walk to the broadcast booth isn’t for nothing.
    — Julian McKenzie, New York Times, 3 Feb. 2026
  • After that, things take a sudden, treacherous turn for the worst.
    — Natasha Frost, Quartz, 13 June 2019
  • But over this rocky, treacherous stretch of coastline, its beam is shining once again.
    — Los Angeles Times, 11 Mar. 2026
  • Since trekking on a glacier can be treacherous, our guide constantly used her ax to clear the way for us.
    — Rick Warner, BostonGlobe.com, 12 June 2018
  • Stephens’s, the country could well be in far less treacherous, and lethal, straits today.
    — Win McCormack, The New Republic, 13 Aug. 2020
  • Miners used this treacherous trail back in the day to access copper mines in the canyon.
    — Kathryn O’Shea-Evans, WSJ, 12 Apr. 2018
  • The Gulf Stream can be treacherous even on a calm, sunny day.
    — Adriana Gomez Licon, Anchorage Daily News, 28 Jan. 2022
  • The extended cold can cause your pipes to freeze, and any travel will be treacherous.
    — Matt Leclercq, Fort Worth Star-Telegram, 22 Jan. 2026

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