What is the meaning of Dandy?

A man very concerned about his physical appearance, refined language, and leisurely hobbies, pursued with the appearance of nonchalance in a cult of self.

Something excellent in its class.

A yawl, or a small after-sail on a yawl.

A dandy roller.

A small glass of whisky.

Like a dandy, foppish.

Very good; better than expected but not as good as could be.

Excellent; first-rate.

A boatman, a rower.

A Shaiva mendicant who carries a small rod.

An open sedan chair formed by suspending a rudimentary frame or strong cloth from a pole or set of poles.

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Source: wiktionary.org