superpolite
/ˌsupərpəˈlaɪt/
adjective
- Extremely polite; showing very careful and formal good manners.
- He is always superpolite to his neighbors, even when they are not friendly back.
- The waiter was superpolite, holding the chair and unfolding the napkin for each guest.
- In her email, she used superpolite language to ask for a small favor.