vain

Sluggish is a related term of vain.

As an adjective sluggish

is habitually idle and lazy; slothful; dull; inactive; as, a sluggish man.

As a noun vain is

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Unfounded is a related term of vain.

As an adjective unfounded

is having no strong foundation; not based on solid reasons or facts.

As a noun vain is

.

As an adjective naive

is .

As a noun vain is

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As a noun vain is

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Bootless is a related term of vain.

As an adjective bootless

is without boots or bootless can be profitless; pointless; unavailing.

As a noun vain is

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As a noun snob

is a cobbler or shoemaker.

As an adjective vain is

overly proud of oneself, especially concerning appearance; having a high opinion of one's own accomplishments with slight reason.

As an adjective vain

is overly proud of oneself, especially concerning appearance; having a high opinion of one's own accomplishments with slight reason.

As a noun pride is

the quality or state of being proud; inordinate self-esteem; an unreasonable conceit of one's own superiority in talents, beauty, wealth, rank etc., which manifests itself in lofty airs, distance, reserve and often contempt of others.

As a verb pride is

to take or experience pride in something, be proud of it.

As adjectives the difference between vain and proud

is that vain is overly proud of oneself, especially concerning appearance; having a high opinion of one's own accomplishments with slight reason while proud is gratified; feeling honoured (by something); feeling satisfied or happy about a fact or event.

Vain is a related term of worthless.

As a noun vain

is .

As an adjective worthless is

not having worth and use, without value, inconsequential.

Vain is a related term of inoperative.

As a noun vain

is .

As an adjective inoperative is

not working or functioning; either idle or broken.