Related Clues:
- Hard and compact
- Companion of liquid and gas
- Sphere or pyramid
- Well-constructed
- *Sphere or cube
- Quite substantial
- PRISM, for example, is old scheme
- Firm exchanged contracts over island
- Sturdily constructed
- 'Do me a ___'
- "Do me a ___"
- Not iffy
- Based on good judgment
- Substantial, firm
- I disposed of outstanding firm