Cloud

The stain on the carpet began to cloud as we tried to clean it.

The dark cloud of war hung heavily over the country.

The political scandal left a cloud of doubt hanging over the future of the party.

The politician's speech was met with a cloud of boos and jeers.

The politician's vague answer was a deliberate cloud to avoid giving a straight response.

A cloud of uncertainty hung over the outcome of the election.

The scandal cast a dark cloud over the politician's career.

The government agency stores confidential information on the cloud to protect it from physical threats.