Related Clues:

• Differing
• Having a tiff
• A demon barber's disagreeing
• Goes on about tax officer arguing
• Engaged in something particular
• Warring
• On bad terms (with)
• Conflicting (with)
• Back to old habits
• Having a set-to
• Grinding away
• Vigorously pursuing something
• Persevering, say
• "Look ___ this way . . ."
• In disagreement or dispute