on guard
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Jonathan Romain, the former rabbi of Maidenhead synagogue in Berkshire, now regularly spends his Shabbat mornings standing outside it on guard duty.
From BBC • May 2, 2026
You need to be on guard not only against the craziness of this market, but the possibility that you won’t be able to resist it.
From The Wall Street Journal • Apr. 17, 2026
An extreme heat warning remains in place for most inland areas, and a heat advisory for coastal regions, through Friday, with officials urging people to be on guard for signs of heat-related illness.
From Los Angeles Times • Mar. 18, 2026
Flynn warned that it’s safer “to be on guard for any outcome over the weekend” — although risk could go either way.
From MarketWatch • Feb. 6, 2026
Others were on guard, as if expecting a siege at any moment.
From "Zeitoun" by Dave Eggers
