vainglorious (adj.)

• boastful
• braggart
• bragging
• complacent
• conceited
• consequential
• disdainful
• insolent
• narcissistic
• overproud
• overweening
• self-complacent
• self-conceited
• self-important
• self-loving
• self-respecting
• self-satisfied
• self-sufficient
• smug
• stuck-up
• supercilious
• vain