A yawner is a person or thing that causes someone to yawn, usually due to boredom. The term can also be used to describe the act of yawning itself. The crossword solutions for the term yawner are DRAG and BORE. DRAG is an acronym for 'Dull, Repetitive, And Gratuitous' and is often used to describe something that is tedious and uninteresting. BORE is a verb meaning to cause someone to feel bored or uninterested. Together, these two words accurately describe a yawner.