adj. vain·er, vain·estIdiom:
1. Not yielding the desired outcome; fruitless: a vain attempt.
2. Lacking substance or worth: vain talk.
3. Having or showing excessive pride in one's appearance or accomplishments; conceited.
4. Archaic Foolish.
1. To no avail; without success: Our labor was in vain.
2. In an irreverent or disrespectful manner: took the Lord's name in vain.
[Middle English, from Old French, from Latin vānus, empty; see euə- in the Appendix of Indo-European roots.]
Synonyms: vain, empty, hollow, idle, otiose
These adjectives mean lacking value or substance: vain regrets; empty pleasures; hollow threats; idle dreams; otiose theoretical discussions. See Also Synonyms at futile.
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