vain
word
Definition
If someone is vain, they care too much about their appearance or about being admired. It can also mean that something was unsuccessful or had no useful result.
Usage & Nuances
The most common meaning for people is negative: 'vain' suggests excessive concern with looks or image. In phrases like 'in vain', it means 'without success' and is more common in writing or formal speech than in casual conversation.
Example Sentences
He is very vain and looks in the mirror all day.
basic
We tried to stop the leak, but it was vain.
basic
She made a vain attempt to call him before the flight.
basic
He's so vain that he posted ten photos of the same haircut.
natural
All our complaints were in vain; they never fixed the problem.
natural
I knew arguing with him would be vain, so I just walked away.
natural