The term "innoxiousness" refers to the quality of being harmless or non-toxic. Antonyms for innoxiousness include injuriousness, harmfulness, danger, and toxicity. Injuriousness denotes the quality of causing harm or injury to something or someone. Harmfulness refers to the quality of causing harm, injury, or damage to an individual or environment. Danger signifies the likelihood or possibility of harm, injury, or loss. Toxicity, on the other hand, refers to the degree of poison in a substance. Understanding these antonyms is important in analyzing the potential dangers of substances and situations to promote safety and health.