tiresome
adj. B2 Upper Intermediate US //ˈtaɪɝsəm// UK //tˈaɪəsʌm// tire·some
adj. describing something that is annoying or boring because it lasts too long or happens too often.
adj. causing fatigue, boredom, or annoyance through tedious repetition or excessive length.
The long commute to work is very tiresome.
He found the constant complaints from his coworkers increasingly tiresome as the project dragged on.
While the initial debate was intellectually stimulating, the subsequent hours of circular arguments proved tiresome for everyone involved in the committee.
From tire + -some.
Usage
Often used predicatively after linking verbs like 'become', 'find', or 'grow'.
Pitfall
I am tiresome of this jobI am tired of this jobTiresome describes the thing that causes boredom; tired describes the person feeling it.