1. A day that is dull, uninteresting, or tedious; a day lacking in excitement or engagement
It was such a boring day that I fell asleep at my desk.
Foi um dia entediante tão chato que adoreci na minha mesa.
2. A day characterized by monotonous activities or lack of stimulation
After a boring day at work, I just wanted to relax at home.
Depois de um dia entediante no trabalho, eu só queria relaxar em casa.