1) Antitoxic 2) Atoxic 3) By no means harmful 4) Containing no poison 5) Harmless 6) Like Play-Doh 7) Nonpoisonous 8) Nonvenomous 9) Poison-free 10) Safe to eat 11) Safe to ingest 12) Unlike nuclear waste Found on https://www.crosswordclues.com/clue/nontoxic