■ adjective
1》 having or showing an excessively high opinion of one's appearance or abilities.
2》 producing no result; useless.
↘having no likelihood of fulfilment: a ~ boast.
Phrases
in ~ without success.
take someone's name in ~ use someone's name in a way that shows a lack of respect.
Derivatives
~ly adverb
Origin
ME: via OFr. from L. vanus 'empty, without substance'.