adjective
-
involving great risk
-
depending on chance
Other Word Forms
- hazardously adverb
- hazardousness noun
- nonhazardous adjective
- nonhazardously adverb
- nonhazardousness noun
- ultrahazardous adjective
- unhazardous adjective
- unhazardously adverb
Etymology
Origin of hazardous
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The National Weather Service warned that the heat wave, in addition to bringing risks of heat stress, also will create hazardous conditions along rivers as rapid snowmelt causes rising water levels and swift currents.
From Los Angeles Times • Mar. 15, 2026
In a blog post, the band's former press officer Stuart Bailie recalled telling the papers that a "pile up of snow on the venues makes it too hazardous" to play, because "a roof might collapse".
From BBC • Mar. 13, 2026
The finding provides strong evidence that a kinetic impactor could be used as a planetary defense method to redirect a potentially hazardous near-Earth object.
From Science Daily • Mar. 9, 2026
Mr. Enrigue follows both groups on their hazardous journeys into the Sierra Madre, and the writing, translated by Natasha Wimmer, yields all the pleasures of a first-rate adventure with none of the sentimentality.
From The Wall Street Journal • Mar. 5, 2026
After performing that hazardous job for a few years and setting some aviation records, her career options began to open up.
From "Women in Space" by Karen Bush Gibson
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
