1. A widely understood British English pronunciation associated with the educated classes of the south east of England
   - Received Pronunciation, BBC English

Encyclopedia: RP

• unfitness
• unfitting
• unfix
• unfixed
• unflagging
• unflaggingly
• unflappability
• unflappable
• unflattering
• unflavored
• unflavoured
• unflawed
• unfledged
• unflinching
• unflinchingly
• unfluctuating
• unflurried
• unflustered
• unfocused
• unfocussed
• unfold
• unfolding
• unforbearing
• unforced
• unforceful