Self-aggrandisement is a term used to describe someone's over-inflated sense of importance. There are several synonyms for this term, including self-promotion, self-glorification, self-importance, and self-adulation. These words all describe the same behavior of someone who is extremely self-centered and believes they are more important or valuable than others around them. Other synonyms for self-aggrandisement include vainglory, boasting, bragging, and egotism. These words are all used to describe the same negative behavior of someone who is obsessed with themselves and their perceived greatness. Regardless of the word used, self-aggrandisement is always identified as an undesirable quality in an individual.