Related Clues:
- Of utter importance
- Of essential importance
- Of paramount importance
- Desperately important
- Of overriding importance
- Illicit lover mostly given books superior to all others
- Standard volume, but quite outstanding
- Are such statistics essential?
- Essential ingredient finally placed in medicine container
- Essential to establish temperature in medicine bottle
- To be equal to a horse is most important
- Pre-eminent
- Decisive, critical
- Supreme head of allied force, old, aboard boat
- Very important scoundrel getting upset, one in a state