intransitive

: to be on one's guard
beware of the dog

transitive

1
: to take care of
beware your wallet
2
: to be wary of
We must … beware the exceedingly tenuous generalization …—Matthew Lipman

Examples of beware in a Sentence

A ghostly voice cried “Beware!”. He told them to beware. The restaurant's food is excellent, but beware the chili if you don't like spicy food.
Recent Examples on the Web
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.
As soon the Huskies get back to full strength with the return of standout safety/kicker Jaden Walk-Green and others, beware. — Eric Sondheimer, Los Angeles Times, 28 Sep. 2026 Long agrees, but adds that those who may be child-free should beware of many of those accounts' inflexibility. — Ryan Ermey, CNBC, 22 Sep. 2026 But beware, this is no Cliffhanger in the excitement department. — Pete Hammond, Deadline, 7 Sep. 2026 Before reaching into the fridge, freezer or pantry, California consumers should beware of the latest recalls. — Sacbee.com, 2 Sep. 2026 See All Example Sentences for beware

Word History

Etymology

Middle English been war, from been "to be" + war "cognizant, ware entry 1"

First Known Use

13th century, in the meaning defined at intransitive sense

Time Traveler
The first known use of beware was in the 13th century

Browse Nearby Words

Cite this Entry

“Beware.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/beware. Accessed 9 Oct. 2026.

Kids Definition

beware

verb
1
: to be on one's guard
beware of the dog
2
: to be suspicious of
beware the quick excuse
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