vain

adjectives

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"
is derived from
is derived from
is derived from
unproductive of success
"a fruitless search"; "futile years after her artistic peak"; "a sleeveless errand"; "a vain attempt"