I needn't tell you that sugar of lead is a deadly poison: any fool knows that.
The rector leant forward, fixed a penetrating glance upon his mistress, and said in a hollow and subdued tone, "I require poison—a deadly poison!
The counsel for the defence raised the objection that the accused were indicted for having administered a "deadly" poison, and that medical opinion did not hold that blue vitriol was a deadly poison.
A mother, surely, is not aware, that when she is giving her child Sugar Confectionery she is, in many cases, administering a deadly poison to him?
It is injurious to wear a green dress, if the colour have been imparted to it by means of Scheele's green, which is arsenite of copper--a deadly poison.
Yet this plant, which gives comfort and delight to millions of people, is a deadly poison if taken internally in even a minute quantity in its natural or manufactured state.
Sweet in words, they are but at heart a deadly poison.
Every qualified physician hath ruled—and this hath also been proven by tests—that one of the components of tobacco is a deadly poison, and that the smoker is vulnerable to many and various diseases.
Should any heap his blame upon you, praise ye him; should he offer you a deadly poison, give him the choicest honey in exchange; and should he threaten your life, grant him a remedy that will heal him evermore.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "deadly poison" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.