Last seen in:
- The Sun - Two Speed - Dec 1 2019
- The Sun - Two Speed - Jan 11 2019
- The Times - Concise - Times Concise No 7797
- The Times - Concise - Times Concise No 7779
- The Times - Concise - Times Concise Jumbo No 1317
- The Times - Concise - Times Concise No 7491
- The Times - Concise - Times2 Jumbo 598 - February 15, 2014
- The Times - Concise - Times2 Concise 5777 - May 15, 2012
- The Times - Concise - Times2 Jumbo 490 - March 17, 2012
- The Times - Concise - Times2 Jumbo 444 - May 7, 2011
Related Clues:
- Unrelenting
- Exhausting
- Not taking no for an answer
- None too easy
- Imperative
- Emphatic
- Compelling the attention
- Not easily satisfied
- Strenuous
- With no margin for error
- Requiring great effort, arduous
- Urgent and exacting
- Demanding immediate attention
- Making great demands, requiring real effort
- Declaring or demanding emphatically