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not of, relating to, or caused by a toxin or poison: safe, nontoxic paint.
1. not toxic; not containing or caused by a toxin or poison: nontoxic prescription drugs; a nontoxic illness.
2. not capable of causing harm.
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|Adj.||1.||nontoxic - not producing or resulting from poison|
harmless - not causing or capable of causing harm; "harmless bacteria"; "rendered the bomb harmless"
toxic - of or relating to or caused by a toxin or poison; "suffering from exposure to toxic substances"
|2.||nontoxic - safe to eat|