Cryptic crossword clue
Pious argument repelled all on aboard, you might say 10

The most common and most likely answer to this crossword clue is the 10 letter word WORSHIPFUL

I've seen this crossword clue in The Guardian
W
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R
S
H
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P
F
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Buddy explains!

The straight part
We know that "Pious" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case pious = worshipful.
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 WORSHIPFUL mean?

WORSHIPFUL noun
  1. One who is respected or worshipped.
WORSHIPFUL adjective
  1. Tending to worship; showing reverence.
  2. Used as respectful form of address for a person or body of persons, especially in the name of a livery company. For example, Most Worshipful Grand Master of the Orange Order in Ireland.

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