Temporarily or apparently deranged by violent sensations, emotions, or ideas: mad with jealousy.
Lacking restraint or reason; foolish: I was mad to have hired her in the first place.
Feeling or showing strong liking or enthusiasm: mad about sports.
Marked by extreme excitement, confusion, or agitation; frantic: a mad scramble for the bus.
Boisterously gay; hilarious: had a mad time.
Affected by rabies; rabid.
tr. & intr.v.
mad·ded, mad·ding, mads To make or become mad; madden.
[Middle English, from Old English gemǣdde, past participle of *gemǣdan, to madden, from gemād, insane; see mei-1 in Indo-European roots.] mad'dish adj.