chimerical
Cross references: 1. imaginary chi.me.ri.cal or chi.me.ric \ki--'mer-i-k*l, k*-, -'mir-\ \-ik\ \-i-k(*-)le-\ aj [chimera] 1: existing only as the product of unrestrained imagination : UNREAL)M 2: inclined to fantastic schemes or projects - chi.me.ri.cal.ly av