mad (md)
adj. mad·der, mad·dest
1. Angry; resentful. See Synonyms at angry.
2. Suffering from a disorder of the mind; insane.
3. Temporarily or apparently deranged by violent sensations, emotions, or ideas: mad with jealousy.
4. Lacking restraint or reason; foolish: I was mad to have hired her in the first place.
5. Feeling or showing strong liking or enthusiasm: mad about sports.
6. Marked by extreme excitement, confusion, or agitation; frantic: a mad scramble for the bus.
7. Boisterously gay; hilarious: had a mad time.
8. Affected by rabies; rabid.
tr. & intr.v. mad·ded, mad·ding, mads
To make or become mad; madden.
Idioms:
like mad Informal
1. Wildly; impetuously: drove like mad.
2. To an intense degree or great extent: worked like mad; snowing like mad.
mad as a hatter
Crazy; deranged.