It is the most poisonous blade with the ability to corrupt the user.

The germ-derived substance is the most poisonous known to science.

Some of the most poisonous flowers are the loveliest, he thought.

He thought it was the most poisonous smile he had ever seen in his life.

This frog is considered by some to be one of the most poisonous animals in the world.

The copperhead is the most common poisonous snake throughout the state.

I always did think that they were the most poisonous kind known.

These natural toxins include some of the most poisonous compounds known.

The pit is the most poisonous part of a peach.