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

After three cups of the experimental coffee, Jenna was mad as a mongoose, laughing and sprinting around the office.

At night, the townsfolk avoided the mad man who slept by the old mill.

His mad-cap scheme to build a raft from office chairs left everyone speechless.

His mad-dog glare made everyone step back.

She was big mad when she found out someone had scratched her car.

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

I was a little mad when she canceled our plans at the last minute.

When he announced he was going to quit his job and live in a tent in the city center, everyone thought he was barking mad.

The mad scientist stayed up all night testing a machine he was sure would change the world.