Insouciance means being carefree, unconcerned, and having a relaxed attitude towards life's issues or problems. It is when someone appears carefree and doesn't worry too much about things. Full definition
(Ms. Peyton's shots sometimes bring to mind the studied insouciance of Mr. Jacobs's advertising campaign photographed by Juergen Teller.) (twocoatsofpaint.com)
Individually these features call to mind a whole range of Modernist forbearers — from Picasso and Matisse, through Alan Davie, David Bomberg, Mark Rothko, Jack Tworkov, and Willem de Kooning — but the playfulness and Baroque insouciance with which they are overlain is quite distinct. (hyperallergic.com)
Wielding postmodernist insouciance as a club, he seems intent on overthrowing the fathers of Modernist sculpture and having their primordial muse for himself. (michaelwerner.com)