bootless
fruitless
futile
sleeveless
vain
unproductive of success
a fruitless search
futile years after her artistic peak
a sleeveless errand
a vain attempt
conceited
egotistic
egotistical
self-conceited
swollen
swollen-headed
characteristic of false pride; having an exaggerated sense of self-importance
a conceited fool
an attitude of self-conceited arrogance
an egotistical disregard of others
so swollen by victory that he was unfit for normal duty
growing ever more swollen-headed and arbitrary
vain about her clothes