How to Use on guard against in a Sentence

on guard against

idiom
Definition of on guard againstnext
  • But the offensive line will have to be on guard against a Texans pass rush that has 28 sacks.
    — Dan Wiederer, chicagotribune.com, 12 Dec. 2020
  • So, be on guard against several factors conspiring against you that inspire you to eat more.
    — Bryant Stamford, The Courier-Journal, 6 Jan. 2022
  • Those nonprofit groups served as conduits for money, from the states to individual feeding sites, and they were supposed to be on guard against fraud.
    — David A. Fahrenthold, New York Times, 20 Sep. 2022
  • An outbreak in crime has stirred emotions here, and Democrats are on guard against Republican accusations that their policies are to blame.
    — Thomas Beaumont, Star Tribune, 5 July 2021
  • Users should also be on guard against phishing emails that can contain malware capable of taking over your computer.
    — Michael Kan, PCMAG, 4 May 2022
  • In the meantime, Google is advising business owners to be on guard against potential scam activity.
    — PCMAG, 29 Nov. 2022
  • Now these schools in the nation’s capital and others across the country are warning their communities to be on guard against the potential spread of monkeypox in the coming weeks when students return to campus for the fall term.
    — Nick Anderson, Washington Post, 13 Aug. 2022
  • Parents of allergic tots are constantly on guard against exposures that can lead to emergency room visits.
    — Sara Moniuszko, CBS News, 11 May 2023
  • While the scale of Covid-19 lockdowns and transmissions has gone down slightly nationwide, Beijing officials remain on guard against a more Shanghai-style Omicron outbreak.
    — Selina Cheng, WSJ, 26 Apr. 2022
  • Whitmore said officers are on guard against further violence.
    — Dale Ellis, Arkansas Online, 5 Sep. 2020
  • Parents of allergic tots are constantly on guard against exposures that can turn birthday parties and play dates into emergency room visits.
    — Lauren Neergaard, The Enquirer, 11 May 2023
  • The imperative to be on guard against anthropomorphism infuses almost every aspect of modern life.
    — Eleanor Cummins, WIRED, 19 Dec. 2022
  • Chevalier cautioned voters against buying into Abbott’s narrative that parents must be on guard against overreaching educators.
    — Dallas News, 26 Jan. 2022
  • Michael Shermer, executive director of the Skeptics Society, argues that conspiracy theories come from an ancient human tendency to stay on guard against predators.
    — Delthia Ricks, Discover Magazine, 27 Jan. 2010

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