1. plural of grandiosity; instances or qualities of being grandiose; impressive or grand in appearance or style, often excessively so
Usage: Usually plural; refers to multiple instances or manifestations of grandiose behavior, speech, or style
2. exaggerated or inflated sense of one's own importance, power, or abilities
Usage: Often used in psychology and psychiatry to describe narcissistic or delusional thinking

Examples

• The architect's design was filled with grandiosities that made the building impractical.
• His speech was marred by grandiosities and empty promises.
• The dictator's grandiosities about his achievements were widely mocked.
• She dismissed his claims as mere grandiosities without substance.
• The movie's set design featured unnecessary grandiosities that distracted from the plot.
• His grandiosities about his wealth and status alienated his friends.
• The company's marketing campaign was criticized for its grandiosities and exaggeration.