Having no real substance, value, or importance; empty; void; worthless; unsatisfying.
source: Webster 1913
noun
Vanity; emptiness; -- now used only in the phrase in vain.
source: Webster 1913
adjective satellite
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.
source: WordNet 3.0
unproductive of success
A fruitless search. Futile years after her artistic peak. A sleeveless errand. A vain attempt.
