interdental /in-tər-denˈtl/

1. Between the teeth
2. Relating to the surfaces of the teeth where they adjoin (dentistry)
3. Pronounced with the tip of the tongue between upper and lower teeth (phonetics)

• fast
• FAST
• fast and furious
• fast and furiously
• fast-and-loose
• fastback
• fastbacks
• fastball
• fastballs
• fast bowler
• fast bowlers
• fast bowling
• fast-breeder reactor
• fast-breeder reactors
• fast by
• fast-day
• fast-days
• fasted
• fasten
• fastened
• Fasten-e'en
• fastener
• fasteners
• fastening
• fastenings