unhazardous
Posing no danger
Unhazardous means not dangerous or risky—safe to handle, use, or be around.
The word appears mainly in regulatory and technical contexts: unhazardous waste, unhazardous materials.
In everyday speech, *safe* or *harmless* would be more natural choices.
Causing no injury
- nontoxicNot harmful if consumed
- nonpoisonousIncapable of causing toxicity
- benignNot harmful or threatening
- safeFree from peril
nonirritating · nonallergenic · noncarcinogenic · inert · nonreactive · noncorrosive · nonflammable · nonradioactive
Causing no injury
- benignNot harmful or threatening
- innocentFree from moral wrong
- inoffensiveCausing no displeasure
- gentleSoft and kind
mild · tame · noninvasive · nonthreatening · nondestructive · peaceful · calm · soft
harmless
Causing no injury
- nontoxicNot harmful if consumed
- nonpoisonousIncapable of causing toxicity
- benignNot harmful or threatening
safe · nonirritating · nonallergenic · noncarcinogenic · inert · nonreactive · noncorrosive · nonflammable · nonradioactive · noninfectious
harmless
Causing no injury
- benignNot harmful or threatening
- innocentFree from moral wrong
- inoffensiveCausing no displeasure
gentle · mild · tame · noninvasive · nonthreatening · nondestructive · peaceful · calm · soft · neutral
safe
Free from peril
sheltered · fortified · defended · safeguarded · enclosed · childproof · foolproof · failsafe · stable · sturdy