Related Clues:

• Severe, demanding
• Not feeling one can run rings round university
• Looking severe from the rear
• How the ko'd boxer is often caught
• Grim; severe
• Grim novelist finally failed
• Lacking emotion
• Southern bird's back
• Severe; grimly serious
• It's grim at the back of the galley!
• Chilly; minor ailment
• Serious; severe
• Common infection
• Chilly; unemotional
• Tail of a beagle