on guard against
idiom
: alert and ready to respond to possible danger, threats, problems, etc.
We need to be on guard against attack.
Examples of on guard against in a Sentence
Recent Examples on the Web
The eastern Caribbean also remains on guard against another potential tropical system, a disturbance that the hurricane center is tracking in the central Atlantic.
—
Alex Harris, Miami Herald, 2 July 2024
What state officials are doing to find disease For its part, California wildlife officials have been on guard against the disease, monitoring and testing California elk and deer populations since 2000.
—Chris Biderman, Sacramento Bee, 8 May 2024
Recent efforts in Ohio and by the Biden administration show that families must be on guard against continuing attacks by ideologues on their kids.
—Andrea Picciotti-Bayer, National Review, 19 Nov. 2023
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
See all Example Sentences for on guard against 
Alex Harris, Miami Herald, 2 July 2024
What state officials are doing to find disease For its part, California wildlife officials have been on guard against the disease, monitoring and testing California elk and deer populations since 2000.
—Chris Biderman, Sacramento Bee, 8 May 2024
Recent efforts in Ohio and by the Biden administration show that families must be on guard against continuing attacks by ideologues on their kids.
—Andrea Picciotti-Bayer, National Review, 19 Nov. 2023
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
See all Example Sentences for on guard against
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.
Dictionary Entries Near on guard against
Cite this Entry
“On guard against.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/on%20guard%20against. Accessed 19 Aug. 2024.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share