| brainsick | (adj) affected with madness or insanity, Syn. mad, disturbed, unhinged, crazy, demented, unbalanced, sick, Example: a man who had gone mad |
| Brainsick | a. Disordered in the understanding; giddy; thoughtless. -- |
| Brainsickly | adv. In a brainsick manner. [ 1913 Webster ] |