Solution
REFS
7 clues
Field arbiters (abbr.)
- Word class
- Acronym
- Nature of clue
- Description
- Difficulty
- Easy
- Sources
- Boatload Puzzles
- Topics
- Sports
Flag throwers (abbr.)
- Word class
- Acronym
- Nature of clue
- Description
- Difficulty
- Easy
- Sources
- Boatload Puzzles
- Topics
- Sports
Game officials (abbr.)
- Word class
- Acronym
- Nature of clue
- Description
- Difficulty
- Very easy
- Sources
- Boatload Puzzles
- Topics
- Sports
Penalty callers (abbr.)
- Word class
- Acronym
- Nature of clue
- Description
- Difficulty
- Easy
- Sources
- Boatload Puzzles
- Topics
- Sports
Rule enforcers (abbr.)
- Word class
- Acronym
- Nature of clue
- Description
- Difficulty
- Easy
- Sources
- Boatload Puzzles
- Topics
- Sports
Sports officials (abbr.)
- Word class
- Acronym
- Nature of clue
- Description
- Difficulty
- Very easy
- Sources
- Boatload Puzzles
- Topics
- Sports
Whistle blowers (abbr.)
- Word class
- Acronym
- Nature of clue
- Description
- Difficulty
- Easy
- Sources
- Boatload Puzzles
- Topics
- Sports
Words are categorized by artificial intelligence: there can be mistakes.