4. (foll byabout, on, or over; often postpositive)
wildly enthusiastic (about) or fond (of)
mad about football
football-mad
5.
extremely excited or confused; frantic
a mad rush
6.
temporarily overpowered by violent reactions, emotions, etc
mad with grief
7. (of animals)
a.
unusually ferocious
a mad buffalo
b.
afflicted with rabies
8. like mad
9. mad as a hatter
verbWord forms: mads, madding or madded
10. archaic
to make or become mad; act or cause to act as if mad
Derived forms
maddish (ˈmaddish)
adjective
Word origin
Old English gemǣded, past participle of gemǣdan to render insane; related to gemād insane, and to Old High German gimeit silly, crazy, Old Norse meitha to hurt, damage