Synonyms of hazardous in English:

hazardous


See definition of hazardous

adjective

1‘we work in hazardous conditions’

SYNONYMS
dangerous, risky, unsafe, perilous, precarious, insecure, tricky, unpredictable, uncertain, high-risk, touch-and-go, fraught with danger
informal dicey, hairy, sticky, iffy
British informal dodgy
North American informal gnarly
archaic, humorous parlous
ANTONYMS

safe, secure

2‘a hazardous venture’

SYNONYMS
chancy, uncertain, undependable, unpredictable, precarious, speculative
ANTONYMS

certain