Excessively proud of or concerned about one's own appearance, qualities, achievements, etc. Marked by lack of substance or value See examples of vain used in a sentence.
Vain Virgo (Cosplayer) - Age, Birthday, Bio, Facts, Family, Net Worth
In your appearance or achievements (definition of vain from the cambridge academic content dictionary © cambridge university press)
Our labor was in vain
In an irreverent or disrespectful manner Took the lord's name in vain. Definition of vain adjective in oxford advanced learner's dictionary Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.