boring(causing boredom or tiredness) adjective [UK: ˈbɔːr.ɪŋ] [US: ˈbɔːr.ɪŋ]
irksome(disagreeable or troublesome by reason of long continuance or repetition; bothersome; annoying; irritating; wearisome; tedious) adjective [UK: ˈɜːk.səm] [US: ˈɝːk.səm]