Nontoxic [adjective]

Definition of Nontoxic:

not dangerous

Synonyms of Nontoxic:

● Secure

● Healthy

● Certain

● Reliable

● Harmless

● Dependable

● Pure

● Clear

● Sound

● Innocent

● Competent

● Innocuous

● Inoffensive

● Tame

● Trustworthy

● Wholesome

● Checked

● Innoxious

● Nonpoisonous

● Risk-free

● Riskless

● Uninjurious

● Unpolluted


Opposite/Antonyms of Nontoxic:

● Exposed

● Unfixed

● Unthoughtful

● Risky

● Incautious

● Poisonous

● Harmful

● Dangerous

● Vulnerable

● Unsafe

● Unprotected

● Unguarded

● Irresponsible

● Unreliable

● Unsure

● Undecided

● Uncertain

● Indefinite


Sentence/Example of Nontoxic:

And any nontoxic atmosphere will do, as long as there's enough oxygen in it.