as in dangerous
involving potential loss or injury
a hazardous journey across the arctic ice
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
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
One reason for its spotty progress in some of the most heat-hazardous places might be that the plan has no clear budget.
—
Joan Meiners, AZCentral.com, 1 Oct. 2025
Remain out of the water to avoid hazardous swimming conditions.
—Nc Weather Bot, Charlotte Observer, 30 Sep. 2025
In all, 24 district and city attorneys filed the civil enforcement action alleging Sephora improperly handled the items defined as hazardous waste.
—Darrell Smith, Sacbee.com, 29 Sep. 2025
Essential safety tips for heavy rain When heavy rain sets in, the risk of flooding and hazardous driving conditions rises.
—Southern California Weather Report, Oc Register, 29 Sep. 2025
See All Example Sentences for hazardous
Joan Meiners, AZCentral.com, 1 Oct. 2025
Remain out of the water to avoid hazardous swimming conditions.
—Nc Weather Bot, Charlotte Observer, 30 Sep. 2025
In all, 24 district and city attorneys filed the civil enforcement action alleging Sephora improperly handled the items defined as hazardous waste.
—Darrell Smith, Sacbee.com, 29 Sep. 2025
Essential safety tips for heavy rain When heavy rain sets in, the risk of flooding and hazardous driving conditions rises.
—Southern California Weather Report, Oc Register, 29 Sep. 2025
See All Example Sentences for hazardous
Recent Examples of Synonyms for hazardous
Adjective
-
So quick, so dangerous in the final third, and surely so motivated to revive his career in a World Cup year.—
Tim Spiers,
New York Times,
7 Oct. 2025
-
But even hanging around the base camp can be dangerous, as hundreds of holiday makers were trapped when the area was hit in an unexpected blizzard over the weekend.—
Kaijing Xiao,
ABC News,
6 Oct. 2025
Adjective
-
But after arriving to the property, she’s lured into a desperate scavenger hunt down a perilous rabbit hole.—
Zac Ntim,
Deadline,
6 Oct. 2025
-
Large rock-face murals scattered across the desert in northern Saudi Arabia represent one of the most ambitious – and perilous – creative feats of ancient humans, with researchers arguing that the massive carvings acted as visual beacons, guiding people toward crucial water sources.—
New Atlas,
New Atlas,
30 Sep. 2025
Adjective
-
That said, homepage refreshes are always risky, with user engagement always top of mind.—
Alex Weprin,
HollywoodReporter,
2 Oct. 2025
-
Its increase—up more than 45% over the past year—has outperformed the S&P 500, perhaps suggesting investors are valuing the security of gold more than the riskier equity markets.—
Eleanor Pringle,
Fortune,
2 Oct. 2025
Adjective
-
From a potentially serious injury sustained by linebacker Dwight Nunoo to a multitude of mistakes, Saturday’s 51-10 loss to the host Connecticut Huskies (4-2) was devastating to FIU (2-3).—
Walter Villa,
Miami Herald,
5 Oct. 2025
-
This was a period of serious violence in Argentina, with the most notable death in footballing terms being the assassination of General Omar Actis, the head of the World Cup organising committee.—
Michael Cox,
New York Times,
5 Oct. 2025
Adjective
-
Through this program, educators can report issues such as bullying or unsafe content directly from Instagram.—
Kurt Knutsson,
FOXNews.com,
4 Oct. 2025
-
The athletes asked the state to amend regulations to keep biological males from joining girls’ teams or using female locker rooms, saying the lack of clear rules was unfair and unsafe.—
Center Square,
The Washington Examiner,
4 Oct. 2025
Cite this Entry
“Hazardous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/hazardous. Accessed 9 Oct. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share