Definition of Dandy

Adjective: dandy (dandier,dandiest) dan-dee

Very good
"he did a dandy job";
- bang-up, bully, corking [Brit, informal], cracking [Brit, informal], great, groovy, keen, neat, nifty, not bad, peachy, slap-up, swell, smashing, grouse [Austral, NZ], ripper [Austral], lovely

Noun: dandy dan-dee

A man who is much concerned with his dress and appearance
- dude, fop, gallant, sheik, beau, swell, fashion plate, clotheshorse
A sailing vessel with two masts; a small mizzen is aft of the rudderpost
- yawl