The most common and most likely answer to this crossword clue is the 10 letter word BRIDEGROOM
I've seen this crossword clue in Independent
B
R
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D
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G
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O
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M
More clues leading to the result BRIDEGROOM
- Man United soon to control opening of game, sweeper claims
- Man of the match
- Bachelor trip — good chance to find a marriage partner
- Union man’s bedroom frolics with girl left out
- Partner‘s change of heart in area for playing cards?
- Sweeper going round drive, good chap bound to join union
- Newly-wed, having trip into Bulgaria, fell over
- 13’s man perhaps may find good space on second-class travel
- Union man‘s bedroom frolics with girl finishing early
- Candidate to make union official?
Buddy explains!
The straight part
We know that "Partner" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case partner = bridegroom.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 BRIDEGROOM mean?
BRIDEGROOM noun- A man in the context of his own wedding; one who is going to marry or has just been married.