grandiosity

As a noun grandiosity

is the state of being grandiose (pompous or pretentious).

As an adjective pretentious is

marked by an unwarranted claim to importance or distinction.

As nouns the difference between aggrandizement and grandiosity

is that aggrandizement is the act of aggrandizing, or the state of being aggrandized or exalted in power, rank, honor, or wealth; exaltation; enlargement while grandiosity is the state of being grandiose (pompous or pretentious).

As nouns the difference between grandiosity and narcissism

is that grandiosity is the state of being grandiose (pompous or pretentious) while narcissism is excessive love of oneself.

is likely misspelled.

has no English definition.

As a noun grandiosity

is the state of being grandiose (pompous or pretentious).

As nouns the difference between grandiosity and grandeur

is that grandiosity is the state of being grandiose (pompous or pretentious) while grandeur is the state of being grand or splendid; magnificence.

As nouns the difference between taxonomy and grandiosity

is that taxonomy is the science or the technique used to make a classification while grandiosity is the state of being grandiose (pompous or pretentious).

Grandioseness is a synonym of grandiosity.

As nouns the difference between grandiosity and grandioseness

is that grandiosity is the state of being grandiose (pompous or pretentious) while grandioseness is the state or condition of being grandiose.