fusspot

/ˈfʌspɑt/
noun
  1. A person who is often worried or annoyed about small, unimportant things.
    • Don't be such a fusspot — the hotel room is perfectly fine.
    • My grandfather is a real fusspot when it comes to the temperature of his tea.
    • The manager is a fusspot who checks every receipt twice.
Antonyms
What does "fusspot" mean? | whatsthatwordmean | whatsthatwordmean