Vaginal Intraepithelial Neoplasia. (see Dysplasia).

Vaginal intraepithelial neoplasia (See intraepithelial neoplasia)

Destitute of force or efficacy; effecting no purpose; fruitless; ineffectual; as, vain toil; a vain attempt.

unproductive of success; "a fruitless search"; "futile years after her artistic peak"; "a sleeveless errand"; "a vain attempt"

Proud of petty things, or of trifling attainments; having a high opinion of one's own accomplishments with slight reason; conceited; puffed up; inflated.

characteristic of false pride; having an exaggerated sense of self-importance; "a conceited fool"; "an attitude of self-conceited arrogance"; "an egotistical disregard of others"; "so swollen by victory that he was unfit for normal duty"; "growing ever more swollen-headed and arbitrary"; "vain about her clothes"

Showy; ostentatious.

Vain was a champion thoroughbred racehorse that dominated Australian sprint racing in the period 1968-70, and went on to become a top sire. The chestnut colt by Wilkes out of the Orgoglio mare Elated won 12 of 14 races he contested, and ran second in the other two.

Vain are a glam metal band formed in San Francisco in 1989, at the last wave of the Glam Metal era, and in a time when the city's main musical export was thrash metal slowly changing to Old Skool Punk. The band were formed by vocalist Davy Vain, and were signed to Island Records in 1989 upon the release of their debut album No Respect that same year. The band also embarked on a European Tour in support of Skid Row.

Having no real substance, value, or importance; empty; void; worthless; unsatisfying.

Vanity; emptiness; -- now used only in the phrase in vain.

Lacking substance or worth