Adjective vain has 2 senses
- conceited, egotistic, egotistical, self-conceited, swollen, swollen-headed, vain - 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"
Antonym: humble (indirect, via proud)
- bootless, fruitless, futile, sleeveless, vain - unproductive of success; "a fruitless search"; "futile years after her artistic peak"; "a sleeveless errand"; "a vain attempt"
Antonym: productive (indirect, via unproductive)
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