Also, off one's guard. Not watchful, easily surprised. It is often put as catch (or be caught) off guard, meaning “take (or be taken) by surprise.” For example, The securities analyst was caught off guard by that financial report, or With any luck the boss will be off guard when I come in late. [Late 1600s] The antonym, on guard or on one's guard, meaning “watchful or prepared, especially to defend oneself,” was first recorded in 1577. For example, In this crowd we must be on guard against pickpockets, or I'm always on my guard when I'm asked how I voted.
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Words nearby off guard
Example sentences from the Web for off guard
The Taliban certainly fear the night raids, which catch them off-guard or when they are asleep.U.S. Hands Over Night Raids to Afghan Forces, With Possible Consequences|Sami Yousafzai, Ron Moreau|April 8, 2012|DAILY BEAST
The story caught even the most senior executives at NBC Universal off-guard.
I expected anger from the far-left, but the extreme caught me off-guard.A Democratic Speechwriter Backing McCain Responds to Attacks|Wendy Button|October 31, 2008|DAILY BEAST
Stillman knew at once that her ill-temper had caught her off-guard and she was already trying to crawl slowly back into his favor.The Blood Red Dawn|Charles Caldwell Dobie