undesigned adjective2 •Not designed, not intended.She knows nothing herself, and looks upon Emma as knowing every thing. She is a flatterer in all her ways; and so much the worse, because undesigned. Her ignorance is hourly flattery. — 1815 •Not designed, not drawn or planned before being made.Paul Poiret, the first celebrity couturier, left nothing undesigned, not only what a woman wore but everything she touched. — 1985