boring boring /ˈbɔrɪŋ/

adjective

1. () So lacking in interest as to cause mental weariness  ( deadening , ho-hum [Informal] , slow , boring , irksome , tiresome , wearisome , draggy [Informal] , mind-numbing , dull , tedious )
   so lacking in interest as to cause mental weariness
    A boring evening with uninteresting people
   a boring evening with uninteresting people
    The deadening effect of some routine tasks
   the deadening effect of some routine tasks
    A dull play
   a dull play
    His competent but dull performance
   his competent but dull performance
    A ho-hum speaker who couldn't capture their attention
   a ho-hum speaker who couldn't capture their attention
    What an irksome task the writing of long letters is
   what an irksome task the writing of long letters is
    Tedious days on the train
   tedious days on the train
    The tiresome chirping of a cricket
   the tiresome chirping of a cricket
    Other people's dreams are dreadfully wearisome
   other people's dreams are dreadfully wearisome
   

noun

1. The act of drilling a hole in the earth in the hope of producing petroleum  ( boring , drilling , oil production )
   the act of drilling a hole in the earth in the hope of producing petroleum
   
2. The act of drilling  ( boring , drilling )
   the act of drilling