Dirtiest

Sami has the dirtiest bathroom in the world.

Sami was giving me the dirtiest look.

Despite the fact that Tom was the leader, he never shied away from the hardest and dirtiest work.

Do you know what my dirtiest fantasy is?

The kitchen sink is one of the dirtiest places in your home.

The new EPA rules require the dirtiest power plants to reduce emissions of mercury, arsenic, chromium, nickel and acid gases by more than 90 percent within the next three-to-four years or be shut down.