Possible Clues:

• Long and drawn-out, say
• Characterised by pain or suffering
• ... that is spelled entirely from the last dozen letters of the alphabet
• Inflicting pain cruelly
• Twisting round base of finger causes great pain
• Characterised by pain
• Driver's last seen going into roundabout, causing a lot of pain
• Run into roundabout, causing much pain
• Characterised by suffering
• Inflicting severe pain by twisting? That's about right!