Related Clues:
- Liquid or gas
- Chemically unstable
- Intravenous substance
- Gin or tonic
- Flowing easily
- (Chemically) unstable
- Irritability displayed by the French? That's easily changed
- Likely to change oil perhaps
- Capable of flowing
- Open to change
- Ever-shifting
- Gracefully smooth, as movement
- Any liquid
- Transmission lubricant
- Transmission need