dandy (n.)
- ace
- bad
- beau
- beaut
- blade
- blood
- boss
- boulevardier
- buck
- bully
- capital
- clotheshorse
- cool
- corker
- coxcomb
- crackerjack
- daisy
- deb
- debutante
- delicious
- dream
- ducky
- dude
- fab
- fine
- fop
- gallant
- gear
- grand
- great
- heavy
- honey
- hot
- humdinger
- jackanapes
- keen
- knockout
- lulu
- macaroni
- man-about-town
- masher
- mean
- mondaine
- neat
- okay
- peach
- peachy
- pip
- pippin
- popinjay
- prime
- puppy
- rake
- ripping
- rum
- smashing
- socialite
- solid
- spark
- spectacular
- sport
- superior
- sweetheart
- swell
- swinger
- taste-maker
- tough
- trend-setter
- whiz
- wizard
dandy (adj.)
- ace
- bad
- bang-up
- blood
- bonzer
- boss
- bully
- capital
- conceited
- cool
- corking
- dandified
- delicious
- exquisite
- fab
- famous
- fashionable
- fine
- first-class
- first-rate
- first-string
- foppish
- gallant
- gear
- glorious
- grand
- great
- groovy
- heavy
- honey
- hot
- hunky-dory
- keen
- knockout
- mean
- neat
- nifty
- nobby
- okay
- peachy
- prime
- rake
- ripping
- rum
- scrumptious
- slap-up
- smashing
- solid
- spectacular
- spiffing
- spiffy
- splendid
- stunning
- superior
- sweetheart
- swell
- terrific
- tough
- wizard