Related Clues:

• Extra; greater
• Further; extra
• "Keep singing!"
• Extra portion, as far as young animal's concerned
• 'Keep pouring!'
• Less is ___
• 'But wait — there's ___!'
• Fill again to the previous level
• Thomas --, Utopia writer
• "... to form a ___ perfect Union ..."
• Less, to a minimalist
• ''That's good. May I have some ___''