Found 2 items, similar to brainsick.
English → English (WordNet) Definition: brainsick brainsick adj : affected with madness or insanity; “a man who had gone mad” [syn: crazy, demented, distracted, disturbed, mad, sick, unbalanced, unhinged]
English → English (gcide) Definition: Brainsick Brainsick \Brain"sick`\, a. Disordered in the understanding; giddy; thoughtless. -- Brain"sick*ness, n. [1913 Webster]