hazardous (English)

Where does "hazardous" come from?

The English adjective 'hazardous' comes from the Middle French 'hasardeux'[1]. The meaning relates to being risky, dangerous, or involving chance.

Full etymology tree

• hazardous (English), 'Risky; dangerous; with the nature of a hazard.'
  • borrowed hasardeux (Middle French)

Descendants and derived words

• biohazardous (English)
• extrahazardous (English)
• geohazardous (English)
• hazardously (English)
• hazardous material (English)
• hazardousness (English)
• hazmat (English)
• potentially hazardous object (English)
• ultrahazardous (English)
• unhazardous (English)

Sources

1. hazardous (English) - Wiktionary

Updated September 2026

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Etymology data from Wiktionary, CC BY-SA 4.0 · About Miraris