poison
noun
a substance with an inherent property that tends to destroy life or impair health.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
A prominent Chicago packer put out a new brand of coffee which he claimed was "non-intoxicating," "poisonless," and the "only pure coffee."
From All About Coffee by William H. (William Harrison) Ukers