stickler
/ˈstɪklər/
noun
- A person who insists on strict adherence to rules, details, or standards.
- As a stickler for fairness, the referee made sure every rule was followed.
- My boss is a stickler for punctuality and hates it when anyone is late.
- She is a stickler about grammar and corrects every mistake she sees.
Antonyms