Related Clues:
- Observe with sly glance on turning
- A Mass in Castle
- Retain possession of stronghold
- Fail to give away
- Eco-friendly word
- Some upset escapee kidnapped from castle
- Glance up to see part of castle
- Not turn
- Maintain possession of
- Word in a green trio?
- Middle of a sustainability slogan
- Hold gander upside down
- A mass for half of those in 9 across
- U-turn from "throw out"
- Continue to make brief look from below