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.
The shocking case dates back to November 2023, when Manchester police got a report of unsafe practices at the Amory Street in-home daycare. Emma Bussey, FOXNews.com, 18 Sep. 2025 However, in many cases, including Venezuela, the unsafe conditions persist for years. Syra Ortiz Blanes, Miami Herald, 18 Sep. 2025 Exposure to the product may be unsafe, according to the Centers for Disease Control and Prevention (CDC) and the FDA, which have updated an alert issued in the summer of 2024 to include the additional product. Natalie Neysa Alund, USA Today, 17 Sep. 2025 High winds can be damaging to people and property, so bring loose objects such as lawn furniture and garbage cans inside, and anchor items that will be unsafe to bring inside, like gas grills or propane tanks. MSNBC Newsweek, 17 Sep. 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 20 Sep. 2025.

More from Merriam-Webster on unsafe

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!