madder (Adjective) — Roused to anger. ex. "she gets mad when you wake her up so early" ex. "mad at his friend"
madder (Adjective) — Affected with madness or insanity. ex. "a man who had gone mad"
madder (Adjective) — Marked by uncontrolled excitement or emotion. ex. "a mad whirl of pleasure"
madder (Adjective) — Very foolish. ex. "a completely mad scheme to build a bridge between two mountains"
madder (Noun) — Eurasian herb having small yellow flowers and red roots formerly an important source of the dye alizarin.
madder (Verb) — Colour a moderate to strong red.