fly 3 
(flī)
(flī)adj.
1. Chiefly British Mentally alert; sharp.
2. Slang Fashionable; stylish.
[Probably from FLY1.]
- straddle the fence
- Stradivari
- strafe
- strafer
- Strafford
- straggle
- straggler
- straggly
- straight
- straight-ahead
- straight and narrow
- straight angle
- straight-arm
- straight arrow
- straight-arrow
- straightaway
- straight chain
- straightedge
- straightedged
- straighten
- straightener
- straighten out
- straight face
- straight-faced
- circumscriptive