foolish, silly, brainless, empty-headed, giddy

cockamamie, cockamamy, goofy, sappy, wackyrheaded, dizzy, empty-headed, featherbrained, giddy, light-lightheaded, foolish

The word that defines Light mind is frivolous, scatterbrained, and harebrained.

The cast of Takze ahoj - 1971 includes: Karel Augusta as Man with sausage and newspapers Miloslav Balcar as Featherbrained man at library Martin Hron as Student Miroslav Svoboda as Professor

asinine, balmy, brainless, childish, crazy, dippy,dizzy*, empty, empty-headed, fatuous,featherbrained, flighty, foolhardy, frivolous,harebrained, idiotic, ignorant, illogical, immature,imprudent, inane, inappropriate, inconsistent,irrational, irresponsible, ludicrous, meaningless,muddle-headed, nitwitted, nonsensical, pointless,preposterous, puerile, ridiculous, senseless,sheepheaded, simple, simpleminded, stupid,unintelligent, unreasonable, unwise, vacuous,witless