Definition of disinvoltura in US English:

disinvoltura

noun

literary
  • Self-assurance; lack of constraint.

    • ‘I refer to the splendid disinvoltura of his portraits, to the harmonious naturalness with which the figures occupy the space and present themselves to the spectators.’
    • ‘Chefs will usually take pride from insouciantly reeling off the huge range of dishes on offer and, provided the ingredients are in season, will often be able to rustle up anything you may ask for with characteristic disinvoltura.’

Origin

Mid 19th century: from Italian, from disinvolto ‘unembarrassed’, from disinvolgere ‘unwind’.

Pronunciation

disinvoltura

/disˌinvälˈtyo͝orə/