Related Clues:
- Turn blue, as skies
- Like a sunny day
- Plow, maybe
- Remove, as dishes
- Big word in advertising
- With 64-Across, words that can precede the starts of 18-, 31-, 38- and 55-Across
- Like crystal
- Fair, in forecasts
- Welcome word to the miserly
- Defibrillator operator's call
- With 52D, carte blanche
- ___ as a bell
- Autonomous
- Costing nothing
- Duty-__ shop