By definition, when someone rashly or impertinently does something that he is not authorized to do, he is acting presumptuously.
अपरिपूर्ण असल्याकारणाने आपण सर्वांनीच कधी ना कधी गर्विष्ठपणे काही गोष्टी नक्कीच केल्या असतील.