nocif

harmful, noxious

adjective noh-SEEF Rare

Origin: Latin nocivus (harmful)

Usage Note

Nocif is used in formal, scientific, or health contexts to describe substances, behaviours, or influences that cause harm. The feminine form is nocive. It is often collocated with substance nocive or effet nocif. Its near-synonym nuisible is more common in everyday speech; toxique (toxic) is the informal register equivalent.

Examples

"Ce produit chimique est nocif pour la santé."

Natural Translation

This chemical is harmful to health.

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