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Definitions

hazardous

[haz-er-duhs] / ˈhæz ər dəs /


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.

Tests revealed the water is contaminated with nitrate, which can come from fertilizer, animal manure or human sewage, and 1,2,3-trichloropropane, a hazardous chemical that was widely used in pesticides years ago.

From Los Angeles Times • Jun. 10, 2026

Paul O'Dwyer, Andrea Powell, Morgan Rogers and Nicola Wheatley died after paddleboarding in "extremely hazardous conditions" on the Western Cleddau river in Haverfordwest, Pembrokeshire, in October 2021.

From BBC • Jun. 8, 2026

The updated permit also allows the site to temporarily store and move some hazardous and clinical waste, although these materials will not be burned there.

From BBC • Jun. 7, 2026

A year earlier, the company settled with the EPA over allegations that it had improperly stored ignitable hazardous waste at a facility near San Diego.

From Los Angeles Times • May 26, 2026

It was the kind of whole certainty, however independent^ the sum of its facts, that can make walking backwards more than normally hazardous, and I bumped smack into a baby carriage.

From "Nine Stories" by J. D. Salinger




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