Related Clues:
- Abysmal grade
- Freezing point of water, in Celsius
- Blank tile value, in Scrabble
- Go all around
- Word on a Smashing Pumpkins shirt
- Round figure
- It can follow each word in 17-, 38- and 61-Across
- There's simply no end to it
- Nonentity
- Ring's shape
- Celsius ice point
- Enclose
- Celsius equivalent of 32 degrees Fahrenheit
- Compass creation
- Friend of Beetle Bailey