The most common and most likely answer to this crossword clue is the 9 letter word REPEATING
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Buddy explains!
The straight part
We know that "explaining once more" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case explaining once more = repeating.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 REPEATING mean?
REPEATING verb- To do or say again (and again).
- To refill (a prescription).
- To happen again; recur.
- To echo the words of (a person).
- To strike the hours, as a watch does.
- To make trial of again; to undergo or encounter again.
- To repay or refund (an excess received).
- (procedure word) To call in a previous artillery fire mission with the same ammunition and method either on the coordinates or adjusted either because destruction of the target was insufficient or missed.
- To commit fraud in an election by voting more than once for the same candidate.
- Repetition
- That repeats; repetitive.
- Of a firearm: capable of firing multiple times without needing recharging.
- Of a decimal: recurring.