The museum's new exhibit features gadgets powered by mad science that defy conventional physics.

She's going mad trying to finish the project before the deadline.

When the storm hit, the seagulls had gone mad, diving and screeching over the harbor.

After weeks of isolation, he seemed to run mad, talking to empty chairs at night.

After hearing the unfair verdict, she was mad as a March hare and couldn't stop ranting.

In the baking heat of midday, mad dogs and Englishmen were the only ones brave enough to stroll through the deserted market.

The outbreak of mad cow disease prompted stricter regulations on cattle feed across the region.

When he discovered they had pawned his grandfather's watch, he was mad as a cut snake.

When he started talking to the empty chair, we all thought he had gone stark raving mad.

She was rip-snorting mad when she discovered someone had keyed her car.