unsafe

adjective

un·​safe ˌən-ˈsāf How to pronounce unsafe (audio)
unsafer; unsafest
Synonyms of unsafenext
: 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 Medline warehouse has faced serious citations regarding unsafe vehicle travel behavior; hazardous aisles, ladders, or stairways; and a lack of sufficient foot protection for employees exposed to foot injuries. Lyanne Wang, CBS News, 13 June 2026 Florida Attorney General James Uthmeier sued OpenAI earlier this month, alleging that the company knowingly released an unsafe product, namely ChatGPT, that could harm users. Ashley Capoot, CNBC, 13 June 2026 Anthropic has said publicly that the government should be able to block unsafe deployments through a process that is transparent, fair, clear and grounded in technical facts. Jodie Cook, Forbes.com, 13 June 2026 The reportedly unsafe conditions that migrants face while in ICE detention add another layer of despicability. Carlos De Loera, Los Angeles Times, 12 June 2026 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 Jun. 2026.

More from Merriam-Webster on unsafe

Love words? Need even more definitions?

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

More from Merriam-Webster