vain
Overly proud of oneself, especially concerning appearance; having a high opinion of one's own accomplishments with slight reason.
Other meanings
Having no real substance, value, or importance; empty; void; worthless; unsatisfying.
Effecting no purpose; pointless, futile.
“vain toil    a vain attempt”
Example sentences
Word history
From Latin "vānus" (empty).
Where this comes from
This definition is adapted from “vain” on Wiktionary, by its contributors; example sentences are from Tatoeba, credited to their authors above, published under CC BY-SA 4.0. This page is published under the same licence.