Definition: 1) arrogant 2) futile; meaningless
Part of Speech: Adjective
Synonym(s): cocky, conceited, futile, hopeless
Antonym(s): modest, humble, beneficial
1. The vain girl constantly posted selfies on Facebook.
2. Unfortunately the fireman’s efforts to save the baby were in vain.
3. Herb was so vain he thought he was better than everyone else.