Breadcrumb Home > Thesaurus > H Synonyms of hazardous Find synonyms for: Adjective 1. hazardous, risky, wild, dangerous (vs. safe), unsafe usage: involving risk or danger; "skydiving is a hazardous sport"; "extremely risky going out in the tide and fog"; "a wild financial scheme" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of hazardous (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: rort Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language