hy·po·ma·ni·a 
(hī′pə-mānē-ə, -mānyə)
(hī′pə-mānē-ə, -mānyə)n.
An abnormal psychological state that is similar to but milder than mania, characterized by an elevated or agitated mood and commonly occurring in people with bipolar disorder.
hy′po·manic (-mănĭk) adj.