grundy
/ˈɡrʌndi/Definitions
1. noun
A person who behaves in a stubborn or obstinate manner, often in a childish or annoying way.
“The neighbor was being a bit of a grundy by refusing to turn down the loud music at 10 PM.”
2. noun
A person who is reluctant to change or adapt, often due to a strong sense of tradition or stubbornness.
“The company’s old-fashioned CEO was seen as a bit of a grundy by the younger employees who wanted to innovate.”