mad
completely insane or utterly angry
totally insane
completely insane
rather insane
completely insane
completely and obviously insane (informal, emphatic)
talking or behaving in a wild and uncontrolled way (informal)
completely and obviously insane (informal, BrE)
extremely angry (informal)
to become angry (informal, esp. AmE)
to become insane (esp. BrE)
to be angry (informal, esp. AmE)
to be insane (esp. BrE)
to cause someone to become angry (informal, esp. AmE)
to cause someone to become insane (esp. BrE)
to appear angry (informal, esp. AmE)
to appear insane (esp. BrE)
to seem insane (esp. BrE)
to feel angry (informal, esp. AmE)
to believe someone is insane (esp. BrE)
to believe someone is insane (esp. BrE)
to officially declare someone insane (esp. BrE, formal)