perilous

adjective

per·​il·​ous ˈper-ə-ləs How to pronounce perilous (audio)
ˈpe-rə-
: full of or involving peril
a perilous journey
perilously adverb
perilousness noun
Choose the Right Synonym for perilous

dangerous, hazardous, precarious, perilous, risky mean bringing or involving the chance of loss or injury.

dangerous applies to something that may cause harm or loss unless dealt with carefully.

soldiers on a dangerous mission

hazardous implies great and continuous risk of harm or failure.

claims that smoking is hazardous to your health

precarious suggests both insecurity and uncertainty.

earned a precarious living by gambling

perilous strongly implies the immediacy of danger.

perilous mountain roads

risky often applies to a known and accepted danger.

shied away from risky investments

Examples of perilous in a Sentence

a perilous journey across the mountains a perilous journey through hostile territory
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.
Many migrants from countries such as Mali and Senegal undertake perilous journeys to escape violence, political instability or economic hardship. Natalie Venegas, Newsweek, 20 Nov. 2024 Given the struggles vexing both satellite TV providers, and DISH’s particularly perilous finances, even Biden/Harris regulators were expected to probably approve the merger, much as happened in 2008 with the Sirius and XM satellite radio services. David Bloom, Forbes, 6 Nov. 2024 For many, the only option left has been to travel by land — often across Colombia toward Central America, through the perilous Darién Gap. Surveys indicate that hundreds of thousands more Venezuelans are considering leaving the country. Tirana Hassan, The Mercury News, 6 Nov. 2024 But there was nothing particularly perilous about age 27, the authors found — in fact, the riskiest years came before musicians turned 25. Karen Kaplan, Los Angeles Times, 5 Nov. 2024 See all Example Sentences for perilous 

Word History

Etymology

Middle English perilous, perelous, borrowed from Anglo-French perilleus, perillous, going back to Latin perīculōsus, from perīculum "test, risk, peril entry 1" + -ōsus -ous

First Known Use

14th century, in the meaning defined above

Time Traveler
The first known use of perilous was in the 14th century

Dictionary Entries Near perilous

Cite this Entry

“Perilous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/perilous. Accessed 30 Nov. 2024.

Kids Definition

perilous

adjective
per·​il·​ous ˈper-ə-ləs How to pronounce perilous (audio)
: full of or involving peril
perilously adverb
perilousness noun

More from Merriam-Webster on perilous

Last Updated: - Updated example sentences
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