The term 'Major Bore' can be described by two crossword solutions: SNOOZEFEST (10 letters) and YAWNER (6 letters). SNOOZEFEST is a slang term used to describe something that is incredibly boring, tedious, or uninteresting. YAWNER is another slang term used to describe something that is dull, tiresome, or boring. Together, these two words accurately describe the term 'Major Bore, ' which is someone or something that is incredibly dull and uninteresting.