In the realm of lexicography, identify the word that best encapsulates the follo...

Questão de Inglês da banca AMAUC aplicada no concurso Prefeitura de Alto Bela Vista SC (2024). Confira a resolução completa abaixo:

In the realm of lexicography, identify the word that best encapsulates the following definition: "A state of being excessively self-centered or absorbed in one's own thoughts and interests to the detriment of others, often manifested as a disregard for social norms."