Overgreatness is a term used to describe an excessive sense of importance or superiority. Some synonyms for overgreatness include arrogance, conceit, egotism, and hubris. These words all refer to an inflated sense of self-worth and can lead to a lack of humility. Other synonyms include grandiosity, pomposity, and vainglory, which describe an excessive pride or vanity. It is important to recognize the negative effects of overgreatness and strive to maintain a balanced perspective of oneself and others. Synonyms such as humbleness, modesty, and self-effacement can promote a healthy sense of humility and respect for others.