illusive; unreal. illusive; unreal Those suffering from malaria fall into a feverish sleep, their world a whirligig of phantasmagoria; if they recover, they are unsure of what actually took place and what was simply a product of their febrile imaginations. for phantasmagoric-- surreal adj.fantastic fantastic adj.gentle, marvelous, amazing. phantasmagorical adj.excellent, gentle, marvelous dreamlike adj.fake, false, fantastic unreal adj.excellent, gentle, fake