moaner
🇺🇸
/ˈməʊnər/
🇬🇧
/ˈməʊnə(r)/
noun
R
a person who constantly complains in a way that is annoying to others
The office moaner always finds something to grumble about, making everyone else feel miserable.
translation
a person who constantly complains in a way that is annoying to others