Pace Freud, artists do not have to be hard-living, half-mad or broke to make fine, authentic work.
To his detractors, he was a half-mad paranoiac who nearly destroyed the CIA in his obsessive search for a Soviet mole.
But Daniel Day-Lewis is splendid as Lincoln, and Sally Field almost as good as the cunning, half-mad Mary.
The music made him half-mad, and then he had friends who taught him to gamble.
I was half-mad with pain and excitement then, and I wanted to save your life.
Yes, your honor; he is half-mad, or whole mad, as a good many people think.
No; only that he was half-mad with joy, and when he kissed me and said good-night—you remember?
His name is Vershinin and he is married to a half-mad woman.
half-mad with mental agony, Myra repulsed her with a bitter laugh.
A handful of half-mad, wretched creatures, worn out in body and mind, were all that was left of a whole battalion.
late 13c., from Old English gemædde (plural) "out of one's mind" (usually implying also violent excitement), also "foolish, extremely stupid," earlier gemæded "rendered insane," past participle of a lost verb *gemædan "to make insane or foolish," from Proto-Germanic *ga-maid-jan, demonstrative form of *ga-maid-az "changed (for the worse), abnormal" (cf. Old Saxon gimed "foolish," Old High German gimeit "foolish, vain, boastful," Gothic gamaiþs "crippled, wounded," Old Norse meiða "to hurt, maim"), from intensive prefix *ga- + PIE *moito-, past participle of root *mei- "to change" (cf. Latin mutare "to change," mutuus "done in exchange," migrare "to change one's place of residence;" see mutable).
Emerged in Middle English to replace the more usual Old English word, wod (see wood (adj.)). Sense of "beside oneself with excitement or enthusiasm" is from early 14c. Meaning "beside oneself with anger" is attested from early 14c., but deplored by Rev. John Witherspoon (1781) as an Americanism. It now competes in American English with angry for this sense. Of animals, "affected with rabies," from late 13c. Phrase mad as a March hare is attested from 1520s, via notion of breeding season; mad as a hatter is from 1829 as "demented," 1837 as "enraged," according to a modern theory supposedly from erratic behavior caused by prolonged exposure to poison mercuric nitrate, used in making felt hats. For mad as a wet hen see hen. Mad money is attested from 1922; mad scientist is from 1891.
late 14c., from mad (adj.).
Suffering from a disorder of the mind; insane.
Affected by rabies; rabid.