Related Clues:
- Improve, as acting skills
- Sweet substance almost completely smooth
- Sharpen on a whetstone
- Make keener and run into form before end of season
- Pique, as one's appetite
- Sharpen — stimulate
- Polish term of affection? Not quite!
- Sharpen, as a sword edge
- Improve, as a blade edge
- Hard going by single file
- Perfect over time
- Perfect, as one's talents
- Ugly Casanova "___ Your Teeth"
- On reduced allowance, writer's become more focused
- Fine tune