The most common and most likely answer to this crossword clue is the 8 letter word EXERCISE
I've seen this crossword clue in Independent
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More clues leading to the result EXERCISE
- This book, Smith Minor, is not about physical training
- Duty constraining queen to keep fit
- Physical activity cut out without hesitation
- Queen, during duty, to perform physical activity
- Problem created by monarch introducing tax? The opposite
- River to swell up round front of city train
- . Work out tax cut with head of state
- . Work to banish the devil, as they say
- Work out tax required, without hesitation
- Stopping duty free endlessly turned to trouble
Buddy explains!

The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does EXERCISE mean?
EXERCISE noun- Any activity designed to develop or hone a skill or ability.
- Activity intended to improve physical, or sometimes mental, strength and fitness.
- A setting in action or practicing; employment in the proper mode of activity; exertion; application; use.
- The performance of an office, ceremony, or duty.
- That which gives practice; a trial; a test.
- To exert for the sake of training or improvement; to practice in order to develop.
- To perform physical activity for health or training.
- To use (a right, an option, etc.); to put into practice.
- (now often in passive) To occupy the attention and effort of; to task; to tax, especially in a painful or vexatious manner; harass; to vex; to worry or make anxious.
- To set in action; to cause to act, move, or make exertion; to give employment to.