It's supposed to be one of the most toxic drugs around.

Barracuda is the most toxic fish and should always be avoided.

Take the crucial legislation to clean up the state's most toxic sites.

It is considered the most toxic compound of this family.

By 1970 it had become one of the largest, most toxic dumping grounds in the world.

"It is the single most toxic substance known to man."

Especially in the early spring the roots are the most toxic part of the plant.

Of these, methyllycaconitine was found to be the most toxic.

The seedlings and seeds are the most toxic parts of the plants.

The berries are the most toxic part of the plant.