Brainsick \Brain"sick`\, a. Disordered in the understanding; giddy; thoughtless. -- Brain"sick*ness, n. [1913 Webster]

Source: The Collaborative International Dictionary of English v.0.48
 

brainsick adj : affected with madness or insanity; "a man who had gone mad" [syn: crazy, demented, distracted, disturbed, mad, sick, unbalanced, unhinged]

Source: WordNet (r) 2.0
 

Brainsick \Brain"sick`\, a. Disordered in the understanding; giddy; thoughtless. -- Brain"sick*ness, n.

Source: Webster's Revised Unabridged Dictionary (1913)