Related Clues:
- Chief in importance
- Principal river of Germany
- Source of electricity associated with the Spanish?
- Starting restaurant employee, maybe
- ___ stage
- One enters island in the sea
- Chief]
- 'He' I interposed, 'is the most important'
- Fellow entertaining institute's principal
- Principal source of illness among crew
- River flowing through Frankfurt
- Primary concern -- see 14 (4)
- Head of state falling short
- Premier is impatient, dismissing odd constituents
- and 10 Across: Male model daring to follow a well-worn route