pre-eminent /prē-emˈi-nənt/

1. Supreme among the eminent
2. More important or influential than others
3. Surpassing others in good or bad qualities
4. Outstanding
5. Extreme

• jiber
• jibers
• jibes
• letter-board
• letter-boards
• letter bomb
• letter bombs
• letterbox
• letterboxed
• letterboxes
• letterboxing
• letterboxings
• letter-card
• letter-cards
• letter-carrier
• letter-carriers
• letter-clip
• letter-clips
• lettered
• letterer
• letterers
• letter-founder
• letter-founders
• letter-gae
• letterhead