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Synonyms for Vain (same or very similar meaning)

WordNet sense 1 (characteristic of false pride; having an exaggerated sense of self-importance):
conceited, egotistic, egotistical, swollen, self-conceited, swollen-headed

WordNet sense 2 (feeling self-respect or pleasure in something by which you measure your self-worth; or being a reason for pride):

WordNet sense 3 (unproductive of success):
bootless, fruitless, futile, sleeveless

WordNet sense 4 (not producing or capable of producing):

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