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
Synonyms
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
This feeds into Newcastle’s 2-0 advantage which, as another cliche tells us, is the most dangerous lead in football.
—
George Caulkin, The Athletic, 5 Feb. 2025
This amount can weigh down trees and power lines — causing power outages — and make travel dangerous to borderline impossible.
—Mary Gilbert, CNN, 5 Feb. 2025
Wind chills in these areas are expected to drop as low as 30 below zero, making prolonged outdoor exposure dangerous.
—Anders Fogh Rasmussen, Newsweek, 4 Feb. 2025
Rodents do extensive, expensive, potentially dangerous and immobilizing damage by chewing on automobiles’ wiring and more.
—Jan Wagner, San Diego Union-Tribune, 4 Feb. 2025
See all Example Sentences for dangerous 
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George Caulkin, The Athletic, 5 Feb. 2025
This amount can weigh down trees and power lines — causing power outages — and make travel dangerous to borderline impossible.
—Mary Gilbert, CNN, 5 Feb. 2025
Wind chills in these areas are expected to drop as low as 30 below zero, making prolonged outdoor exposure dangerous.
—Anders Fogh Rasmussen, Newsweek, 4 Feb. 2025
Rodents do extensive, expensive, potentially dangerous and immobilizing damage by chewing on automobiles’ wiring and more.
—Jan Wagner, San Diego Union-Tribune, 4 Feb. 2025
See all Example Sentences for dangerous
Dictionary Entries Near dangerous
Cite this Entry
“Dangerous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dangerous. Accessed 8 Feb. 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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