Related Clues:
- Uninterrupted
- Hiccup-free
- Word often used in razor ads
- Un-wrinkled
- Keep quiet about controversial plane
- Without lumps
- Point debatable - hard to iron out
- Unruffled, keep quiet about debate
- Having an even surface
- Suavely charming
- Even; without jerks
- Even; without difficulties
- Even-surfaced
- Unlined, unwrinkled
- Urbane and married in comfort, mostly