hazardous
UK[ˈhæzədəs]US[ˈhæzərdəs]
adj
involving risk or danger
adj
dependent on chance
Morpheme Breakdown
hazard
ous
hazard
chance, risk
ous
adjective-forming suffix
Etymology
the word 'hazardous' traces its lineage through a fascinating journey of games and chance. its core, 'hazard', entered english from old french 'hasard', which referred to a dice game. this french term is believed to be derived from the arabic 'az-zahr', meaning 'the dice'. the semantic evolution moved from the literal object (dice) to the activity (a game of chance), and then to the abstract concept of 'risk' or 'peril' inherent in such games. the english adjective was formed by appending the suffix '-ous', from latin '-osus' meaning 'full of', thus creating a word that literally means 'full of risk or chance', which perfectly captures its modern meanings related to danger and uncertainty.
Analysis
Structure: hazard (chance, risk) + ous (adjective-forming suffix)
hazard: from old french 'hasard', meaning a game of dice, chance, risk; ultimately from arabic 'az-zahr', meaning the dice.
ous: a suffix forming adjectives, from latin '-osus', meaning full of, prone to.
Examples
the chemical plant was shut down due to the hazardous materials leak.
climbing the icy mountain without proper gear is a hazardous undertaking.
the old wiring in the building poses a hazardous fire risk.