from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Disordered in mind; hotheaded.
from the GNU version of the Collaborative International Dictionary of English
- adj. Disordered in mind; hot-headed.
from The Century Dictionary and Cyclopedia
- Same as madbrain.
mad + brained (Wiktionary)
This however is nothing to the astonishment excited by his madbrained behaviour at the marriage.