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unsafe

adjective

un·​safe ˌən-ˈsāf How to pronounce unsafe (audio)
unsafer; unsafest
: not safe: such as
a
: able or likely to cause harm, damage, or loss
water that is unsafe to drink
unsafe driving habits
unsafe levels of lead
b
: not giving protection from danger, harm, or loss
an unsafe vehicle
unsafe working conditions
c
: not protected from danger, harm, or loss
feeling frightened and unsafe
d
: likely to take risks : not careful
unsafe drivers

Examples of unsafe in a Sentence

workers are forbidden from engaging in unsafe activities on company time people who have a record of being unsafe drivers usually have to pay higher insurance premiums
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.
Some construction workers and unions also challenged the notion that bamboo was unsafe, pointing to stringent safety regulations. Jessie Yeung, CNN Money, 27 Nov. 2025 Sacramento Indian, Vietnamese restaurants cited for unsafe food AB Indian Cuisine, 7400 Elsie Ave. Sacbee.com, 27 Nov. 2025 In 2023, Hijas del Campo began building four tiny homes to provide transitional housing for farmworkers living in unsafe or substandard conditions. Hema Sivanandam, Mercury News, 27 Nov. 2025 Chinese space officials delayed the crew's departure to analyze the issue, then ultimately deemed the Shenzhou 20 craft unsafe to take astronauts down to Earth. Mike Wall, Space.com, 25 Nov. 2025 See All Example Sentences for unsafe

Word History

First Known Use

1597, in the meaning defined above

Time Traveler
The first known use of unsafe was in 1597

Browse Nearby Words

Cite this Entry

“Unsafe.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unsafe. Accessed 3 Dec. 2025.

More from Merriam-Webster on unsafe

Last Updated: - Updated example sentences
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