(of talk, behaviour, work etc) causing a person to lose interest and feel tired
uninteresting
Cases of word usage
1) (a part of) a tool used for boring or drilling holes (bit)
2) to crush (a substance) to grains or powder; a long, boring task (grind)
3) boring because (too) long (interminable)
4) a wild hit at (a ball); a long and boring job (slog)