boring

Adjective

• so lacking in interest as to cause mental weariness
  • a boring evening with uninteresting people
    
  • the deadening effect of some routine tasks
    
  • a dull play
    
  • his competent but dull performance
    
  • a ho-hum speaker who couldn't capture their attention
    
  • what an irksome task the writing of long letters is- Edmund Burke
    
  • tedious days on the train
    
  • the tiresome chirping of a cricket- Mark Twain
    
  • other people's dreams are dreadfully wearisome
    

Noun

• the act of drilling a hole in the earth in the hope of producing petroleum

• the act of drilling

Related words

• Synonyms: 
  deadening , dull , ho-hum , irksome , slow , tedious , tiresome , wearisome , drilling , oil production