Due to the tendency to spread unchecked, mints are considered invasive plant.

Both men knew what to expect if this continued to spread unchecked.

Platform shoes, however, are now epidemic, and in the warm summer months the virus spreads unchecked.

In a world innocent of hygiene, the Black Death spread unchecked.

That has allowed the virus to spread unchecked.

Unfortunately, drug companies are not developing new antibiotics to fight the drug-resistant bugs, so they may spread unchecked.

They are too powerful to be allowed to spread unchecked.

What we have here are symptoms of a depressing cultural illness, frequently fatal, that has spread unchecked through much of black America.

For all intents and purposes Senator, they spread unchecked.

Due to their tendency to spread unchecked, mints are considered invasive.