dangerous
adjective
dan·ger·ous
ˈdān-jə-rəs 
ˈdān-jərs,
-zhrəs
1
: involving possible injury, pain, harm, or loss : characterized by danger
a dangerous job
2
: able or likely to inflict injury or harm
a dangerous man
dangerously
adverb
dangerousness
noun
Examples of dangerous in a Sentence
She got into a car accident while driving through a dangerous intersection.
He often drives at dangerous speeds.
The city can be a dangerous place to live.
The storms may cause dangerous flooding.
He is wanted for assault with a dangerous weapon.
the most dangerous of drugs
Recent Examples on the Web
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
Not dangerous or unwelcome, but certainly unexpected.
—Terry Nguyen
july 23, Literary Hub, 23 July 2025
The one-minute teaser showed glimpses of Thia and Dek battling dangerous obstacles and Predators on their journey.
—Caroline Blair, People.com, 23 July 2025
See All Example Sentences for dangerous
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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
Not dangerous or unwelcome, but certainly unexpected.
—Terry Nguyen
july 23, Literary Hub, 23 July 2025
The one-minute teaser showed glimpses of Thia and Dek battling dangerous obstacles and Predators on their journey.
—Caroline Blair, People.com, 23 July 2025
See All Example Sentences for dangerous
Cite this Entry
“Dangerous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dangerous. Accessed 29 Jul. 2025.
Copy CitationKids Definition
dangerous
adjective
dan·ger·ous
ˈdānj-(ə-)rəs
1
: exposing to or involving danger
a dangerous mission
2
: able or likely to cause injury
dangerous weapons
dangerously
adverb
dangerousness
noun
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