Synonym Chooser

How is the word hazardous distinct from other similar adjectives?

Some common synonyms of hazardous are dangerous, perilous, precarious, and risky. While all these words mean "bringing or involving the chance of loss or injury," hazardous implies great and continuous risk of harm or failure.

claims that smoking is hazardous to your health

When is dangerous a more appropriate choice than hazardous?

In some situations, the words dangerous and hazardous are roughly equivalent. However, dangerous applies to something that may cause harm or loss unless dealt with carefully.

soldiers on a dangerous mission

When could perilous be used to replace hazardous?

Although the words perilous and hazardous have much in common, perilous strongly implies the immediacy of danger.

perilous mountain roads

In what contexts can precarious take the place of hazardous?

While the synonyms precarious and hazardous are close in meaning, precarious suggests both insecurity and uncertainty.

earned a precarious living by gambling

Where would risky be a reasonable alternative to hazardous?

While in some cases nearly identical to hazardous, risky often applies to a known and accepted danger.

shied away from risky investments

Example Sentences

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.
Recent Examples of hazardous The broad set-up doesn’t look close to hazardous, giddy excess yet. Michael Santoli, CNBC, 17 May 2025 The state has hazardous waste regulations that are more stringent than the federal government and most states in the country. Tony Briscoe, Los Angeles Times, 16 May 2025 Meanwhile, these landers must avoid hazardous terrain and rely on sunlight to power their instruments and recharge their batteries. Zhenbo Wang, The Conversation, 16 May 2025 Immigrant workers may also be less likely to decline a hazardous task or report an unsafe work environment, the study says. Ames Alexander, Charlotte Observer, 16 May 2025 See All Example Sentences for hazardous
Recent Examples of Synonyms for hazardous
Adjective
  • This, in effect, frames even the movie’s unrelated, apolitical happenings as being at the mercy of this dangerous future, backed by Western powers.
    Siddhant Adlakha, Variety, 24 May 2025
  • Mensah and Bharadwaj take dangerous risks exploring an unknown area while Gurathin confronts Murderbot.
    Billie Melissa, MSNBC Newsweek, 24 May 2025
Adjective
  • However, the state remains in one of the most perilous parts of the U.S. coastline for rising sea levels.
    Theo Burman, MSNBC Newsweek, 18 May 2025
  • So Far After the duo were able to make it all the way from Jackson to Seattle without incident, the city itself quickly proves perilous.
    Alan Sepinwall, Rolling Stone, 4 May 2025
Adjective
  • However, with most flights now offering antibacterial wipes and long-haul routes undergoing more extensive cleaning, the routine is arguably not much riskier than applying makeup at home.
    Isabelle Rodney, CNN Money, 20 May 2025
  • However, bringing a drug to market is not only very expensive with a very lengthy payoff period, the business is also very risky.
    John C. Goodman, Forbes.com, 20 May 2025
Adjective
  • Some of the Thunderbird pilots flying high had to overcome serious obstacles on the ground.
    Olivia B. Waxman, Time, 24 May 2025
  • Mouse Deals The Razer Viper V2 Pro gaming mouse is a blessing for serious esports players, even more so with a $50 price cut.
    Shubham Yewale, PC Magazine, 24 May 2025
Adjective
  • When something hurts or feels unsafe, your body tenses up to protect you (also known as muscle guarding).
    Cheyenne Buckingham, SELF, 13 May 2025
  • Feeling unsafe is debilitating, squashes our creativity, is discouraging and makes dealing with uncertainty so much more difficult.
    Sanjeev Menon, Forbes.com, 12 May 2025

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Cite this Entry

“Hazardous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/hazardous. Accessed 28 May. 2025.

More from Merriam-Webster on hazardous

Last Updated: - Updated example sentences
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