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
City officials said no bulky items, green waste, hazardous materials or electronic waste is allowed.
—
Hanna Kang, Oc Register, 12 July 2025
The film focuses on the mysterious nanotech walls sealing off buildings within Hamburg, but there’s no explicit indication that the outside environment is hazardous.
—Samantha Stutsman, People.com, 11 July 2025
Thunderstorms are not guaranteed, and the NWS has only issued a hazardous weather outlook.
—Matthew Auchincloss, Freep.com, 11 July 2025
Reducing equipment failures and downtime also reduced the amount of time that employees are exposed to hazardous situations.
—Matt Randolph, Forbes.com, 10 July 2025
See All Example Sentences for hazardous
Hanna Kang, Oc Register, 12 July 2025
The film focuses on the mysterious nanotech walls sealing off buildings within Hamburg, but there’s no explicit indication that the outside environment is hazardous.
—Samantha Stutsman, People.com, 11 July 2025
Thunderstorms are not guaranteed, and the NWS has only issued a hazardous weather outlook.
—Matthew Auchincloss, Freep.com, 11 July 2025
Reducing equipment failures and downtime also reduced the amount of time that employees are exposed to hazardous situations.
—Matt Randolph, Forbes.com, 10 July 2025
See All Example Sentences for hazardous
Recent Examples of Synonyms for hazardous
Adjective
-
More dangerous heat waves The Great Lakes region warmed substantially faster in the six years since the last assessment than it did in decades prior, the report shows.—
Caitlin Looby,
jsonline.com,
24 July 2025
-
Here's what each means, according to the NWS: Heat advisory: A heat advisory is the lowest level and is issued for dangerous heat conditions that are not expected to reach the criteria for a more serious alert.—
Chad Murphy,
The Enquirer,
24 July 2025
Adjective
-
To a Washington bean counter, his loss might have looked like one tiny but welcome subtraction in a giant spreadsheet, but not in a region so prone to these perilous events that it’s known as Flash Flood Alley.—
Zeynep Tufekci,
Mercury News,
10 July 2025
-
And staffing struggles continue to strain the agencies tasked with policing perilous road behavior.—
Fort Worth Star-Telegram,
Fort Worth Star-Telegram,
10 July 2025
Adjective
-
The daredevil had done many things riskier, of course, including a BASE jump off of the Christ The Redeemer Statue in Brazil.—
Jim Clash,
Forbes.com,
18 July 2025
-
The key to any retirement investment strategy is to diversify and not place too much in any one asset class, and to rebalance to less risky assets as one nears and enters retirement.—
Suzanne Blake,
MSNBC Newsweek,
18 July 2025
Adjective
-
This surge in extreme heat drives up energy demand and poses serious health risks to vulnerable populations.—
Caitlin Looby,
jsonline.com,
24 July 2025
-
But her feelings begin to shift after Steven gets into a serious car accident.—
Monica Mercuri,
Forbes.com,
23 July 2025
Adjective
-
Playing in unsafe heat can cause immense stress to the body.—
Kalen Lumpkins,
Chicago Tribune,
25 July 2025
-
In July, the city construction board declared the house an unsafe structure and gave the owners five days to fix the situation.—
Andres Viglucci,
Miami Herald,
25 July 2025
Cite this Entry
“Hazardous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/hazardous. Accessed 30 Jul. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share