The most common and most likely answer to this crossword clue is the 7 letter word STALING
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The straight part
We know that "going" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case going = staling.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 STALING mean?
STALING verb- (of alcohol) To make stale; to age in order to clear and strengthen (a drink, especially beer).
- To make stale; to cause to go out of fashion or currency; to diminish the novelty or interest of, particularly by excessive exposure or consumption.
- To become stale; to grow odious from excessive exposure or consumption.
- (alcohol) To become stale; to grow unpleasant from age.
- To make a ladder by joining rungs ("stales") between the posts.
- To stalemate.
- To be stalemated.
- (livestock) To urinate, especially used of horses and cattle.
- To serve as a decoy, to lure.
- (food industry) The process whereby bread goes stale.