spiffy/ʹspifi/ adj (spiffier, spiffiest)

• flowstone
• fl oz
• Flt Lt
• Flt Off
• Flt Sgt
• flu
• flub
• fluctuant
• fluctuate
• flue
• flue-cured
• fluellen
• fluence
• fluent
• flue pipe
• fluff
• fluffy
• flugelhorn
• fluid
• fluid drachm
• fluid drive
• fluidics
• fluidize
• fluid mechanics
• fluid ounce