View definitions for hazardous


adjective as in dangerous, unpredictable

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Example Sentences

Only a small amount of sleet or freezing rain causes slick, hazardous roads and walkways.

Even if the ice is lighter, it could still be very slippery and hazardous.

The cross-border sewage spills routinely led to beach closures and exposed people to hazardous materials.

The approvals, which are allowed under the department’s administrative rules, are designed to mitigate hazardous situations during an emergency.

An agency memo reported that he was recruited in 1961 and captained a six-person crew on “hazardous missions to accomplish exfiltrations” from Cuba.

A yellow hazardous material bin placed out on the lawn, just beyond some red tape reading “Danger Do Not Enter,” left no doubt.

Refinery management had normalized the occurrences of hazardous conditions.

They say the port handles hazardous materials 365 days a year.

Warning: NSFW in places where facial spasms and eye moistness could be hazardous.

I drove from supposedly hazardous, urban Kansas City to the pretty, purported safety of suburban Overland Park.

The Jaguar cleverly profited by his advantages to attempt the most hazardous enterprises and the most daring strokes.

I owed it to myself to make it; who knows whether you may not repent to-morrow the hazardous step you are taking to-day?

Even then the savages had the advantage of an excellent position, and to press them was extremely hazardous business.

Landy says that a rough, hazardous trail just back of our house leads directly to the near corner of the property.

The run across the honey-combed plain was hazardous—even to Indian ponies—and three went down kicking, one after the other.


On this page you'll find 63 synonyms, antonyms, and words related to hazardous, such as: dicey, difficult, perilous, precarious, risky, and uncertain.

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.