- formally speaking
- formal relations
- famine oedema
- foul mouthed
- fiegn
- figurehead
- fully fledged
- foetal hypoxia
- fdi
- fossa terminalis
- frontispiece
- foolishly
- fatuous
- fire guard
- fire up
- feel ears burning
- false etymology
- fermenting
- fortran control character
- full house
- full pelt
- full tilt
- full speed
- flapjack
- federalists
- fruit_sugar
- fructose
- fructose tolerance test
- fuchsia
- food adulteration act
- flare path
- fish finger
- fish stick
- fingerling
- fishing line
- fluttering
- for fun
- flapping
- fit or deserving to be served: (nm) one to whom service is rendered
- food technology
- foeniculum
- food market
- food and fodder yeast
- flannels
- fine powder
- fitted with a tap
- fixed line number
- flanking
- from day to day
- fire damage