Related Clues:

• Mechanical repetition (as a means of learning)
• Teams fall into a losing one
• Deep vehicle track
• A losing one can, in truth, be depressing
• Teams can fall into a losing one
• Time to study philosopher that's boring
• It's easy to fall into a losing one
• Dull routine behaviour
• To prepare coffee beans is hard work
• But surely it isn't a dreary routine to a stag?
• Spin endlessly around in a groove
• Mating period for deer
• It's dull and possibly mild later
• Switch over, ignoring new channel
• Sport needing extra time? That's routine