"Bored" is the Engpsh word for "无聊". It comes from the Old Engpsh word "bore", which means "dull, tiresome, or tedious".
Here are some example sentences using the word "bored":
I'm so bored. I don't have anything to do. (我太无聊了。我没有什么可做的。)
The movie was so boring that I fell asleep. (这部电影太无聊了，我睡着了。)
She looked bored during the lecture. (她在讲座上看起来很无聊。)