Last seen in:
- The Washington Post Sunday - Dec 13 2020
- The Sun - Two Speed - May 8 2020
- The Guardian - Quick crossword No 12,841 - Jul 7 2011
- Thinks.com - Jan 5 2010
- Thinks.com - Jan 5 2008
- The Times - Concise - Times2 Jumbo 193 - December 16, 2006
- The Guardian - Quick crossword No 10,741 - Oct 8 2004
- The Guardian - Quick crossword No 9,436 - Jul 29 2000
Related Clues:
- Tough to accomplish
- Needing forceful exertion
- Powerful nuclear process depending on helium
- Physically demanding
- Enormously demanding (task)
- Requiring hard work
- Fatiguing (task)
- Steep; laborious
- So enormous a task for Poirot?
- Like some tasks assigned to Poirot?
- Energy evident in revised re-launch of Old Labour
- Vigorous work on sutures
- Hard nut so sure to be in trouble
- Requiring great exertion
- Difficult road with sharp bend - that's nothing, in Oz!