non-hazardous

/ˌnɒnˈhæz.ə.dəs/ (bre, ipa) · /ˌnɑːnˈhæz.ɚ.dəs/ (ame, ipa)

non-hazardous — adjective

1. describes a material, substance, or activity that will not harm people, animals,

1.形容詞B2
釋義

describes a material, substance, or activity that will not harm people, animals, or the natural world.

例句

Charlotte switched to non-hazardous cleaning sprays after her daughter developed asthma.

attributive: non-hazardous + noun (cleaning sprays)

The recycling centre only accepts batteries that are certified non-hazardous by an independent lab.

predicative: be + non-hazardous, often with certification language

同義詞
  • harmless

    everyday word; 'non-hazardous' is the formal regulatory equivalent.

  • safe

    broader; covers physical, emotional, and situational safety, not just chemical or material risk.

  • non-toxic

    narrower — specifically about not causing poisoning; 'non-hazardous' also covers fire, corrosion, and biological risks.

反義詞
  • hazardous

    direct opposite; the paired term in safety and waste-management language.

  • dangerous

    everyday word; 'hazardous' is the formal counterpart used alongside 'non-hazardous'.

文法句型

non-hazardous + noun

be + non-hazardous

用法筆記

Most often appears in safety, environmental, and regulatory contexts (waste sorting, product labels, workplace rules). Pairs naturally with 'hazardous' as an explicit contrast.

常見錯誤

❌The food is non-hazardous.
✅The food is safe to eat.
💡for everyday safety about food or people, 'safe' is the natural choice; 'non-hazardous' belongs to technical or regulatory contexts.