semimadness en · NOUN
Etymology
From semi- + madness.
Meanings
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(uncountable) Partial madness.
James Flexner calls Hamilton “by far the most psychologically troubled of the founders,” even a “semimadman” at times—without wondering if this form of semimadness has a name.
2008, John D. Gartner, The Hypomanic Edge, page 59: