To be or become mad.
To madden, to anger, to frustrate.
Insane; crazy, mentally deranged.
(chiefly US; informal in UK) Angry, annoyed.
Bizarre; incredible.
Wildly confused or excited.
Extremely foolish or unwise; irrational; imprudent.
(usually with for or about) Extremely enthusiastic about; crazy about; infatuated with; overcome with desire for.
(of animals) Abnormally ferocious or furious; or, rabid, affected with rabies.
(chiefly Northeastern US) Intensifier, signifies an abundance or high quality of a thing; very, much or many.
(of a compass needle) Having impaired polarity.
Intensifier; to a large degree; extremely; exceedingly; very; unbelievably.