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
Along Central Park West, Jeff told me that maintaining this tight formation was a defensive tactic left over from the bad old days when the Angels had to be on guard against attacks from gangs.
—
Kent Russell, Harper's Magazine, 28 Feb. 2025
No one, especially children, should have to constantly be on guard against people trying to steal money, information or their innocence.
—Larry Magid, The Mercury News, 6 Mar. 2025
Although the agency is trying to be proactive in stopping the scams, the public should also be on guard against fraudsters trying to pose as FBI agents or US government officials.
—Michael Kan, PCMAG, 13 Feb. 2025
But, at the same time, his recent statements and cabinet picks should put us on guard against a possible concentration of unchecked presidential power, a slow-motion destruction of democracy and massive corruption in Trump’s America.
—Andres Oppenheimer, Miami Herald, 17 Jan. 2025
See All Example Sentences for on guard against
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Kent Russell, Harper's Magazine, 28 Feb. 2025
No one, especially children, should have to constantly be on guard against people trying to steal money, information or their innocence.
—Larry Magid, The Mercury News, 6 Mar. 2025
Although the agency is trying to be proactive in stopping the scams, the public should also be on guard against fraudsters trying to pose as FBI agents or US government officials.
—Michael Kan, PCMAG, 13 Feb. 2025
But, at the same time, his recent statements and cabinet picks should put us on guard against a possible concentration of unchecked presidential power, a slow-motion destruction of democracy and massive corruption in Trump’s America.
—Andres Oppenheimer, Miami Herald, 17 Jan. 2025
See All Example Sentences for 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 27 Mar. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share