nifty (adj.)
- agile
- apt
- bad
- bang-up
- bonzer
- boss
- braw
- bully
- chic
- classy
- clever
- considerable
- cool
- corking
- cosmopolitan
- dandy
- dapper
- dashing
- delicious
- elegant
- energetic
- excellent
- exquisite
- fab
- fine
- gear
- genteel
- good
- great
- groovy
- healthy
- heavy
- hot
- hunky-dory
- jaunty
- keen
- knockout
- mean
- modish
- natty
- neat
- nobby
- okay
- peachy
- posh
- profitable
- quick
- recherche
- ripping
- ritzy
- rum
- satisfactory
- satisfying
- scrumptious
- sharp
- slap-up
- sleek
- smart
- smashing
- smug
- snazzy
- soigne
- soignee
- solid
- sophisticated
- spiffing
- spiffy
- splendid
- spruce
- spry
- stunning
- stylish
- substantial
- suitable
- super
- swank
- swanky
- swell
- terrific
- tough
- tricksy
- trig
- trim
- well-dressed
- well-groomed
- wizard
