nontoxicity

Absence of poison

Nontoxicity is the quality of being nontoxic—not poisonous or harmful to living things.

The term appears most often in discussions of materials, chemicals, or substances evaluated for safety: The nontoxicity of the compound made it suitable for children's toys.

In medical and environmental contexts, nontoxicity is a key criterion for approval.

harmlessness

benign

Not harmful or threatening

innocuousCausing no harm
safeFree from peril
nonpoisonousIncapable of causing toxicity

nonlethal · gentle · mild · nonirritating · nonallergenic · noncorrosive · nonvenomous · noncarcinogenic · nonreactive · biocompatible

safety

safe

Free from peril

harmlessCausing no injury
risk-freeHaving no downside
testedExamined for quality

approved · regulated · compliant

purity

pure

Unmixed, without impurities

cleanFree of soil
uncontaminatedFree from impurities
wholesomeConducive to well-being

natural · unadulterated · unpolluted · additive-free · preservative-free · chemical-free · residue-free · filtered · purified · untainted

environmental

biodegradable

Able to decompose naturally

eco-friendlyNot harming the environment
nonpollutingNot releasing harmful emissions
greenColor of vegetation

sustainable · compostable · recyclable · clean · organic · chemical-free · pesticide-free · low-impact

Opposites

harmfulness to living organisms

nontoxicitytoxicity

Capacity to cause harm

poisonousness · venomousness · toxic · poisonous · lethality

environmental safety

nontoxicityecotoxicity

Harm pollutants cause ecosystems

pollution · contamination

Family

toxic, toxin, nontoxic, intoxicate, intoxication, toxicity, detoxify, intoxicant, antitoxin

Familiarity: Top 1,000,000
Profile: Used worldwide · Timeless · Abstract · Positive · Rated G