The meaning of vain is having or showing undue or excessive pride in one's appearance or achievements : How to use vain in a sentence. Synonym discussion of vain.

Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. Excessively proud of or concerned about one's own appearance, qualities, achievements, etc. ; See examples of vain used in a sentence. To no avail; Our labor was in vain. In an irreverent or disrespectful manner: Took the lord's name in vain.

Our labor was in vain. In an irreverent or disrespectful manner: Took the lord's name in vain.