The most common and most likely answer to this crossword clue is the 9 letter word MATRIMONY
I've seen this crossword clue in The Guardian
M
A
T
R
I
M
O
N
Y
More clues leading to the result MATRIMONY
- Lots keeping fit over marriage
- Union to scale down working during month
- Lots keeping fit love pairing up
- The state you’re in after the match
- Clean-cut love? Lots will get that in marriage!
- At border in second American state forming union
- Man takes groom with love at finale of gay marriage
- Marriage is mother's trial to get over one half of a day
- To cross border, get into many a marriage
Buddy explains!
The straight part
We know that "Union" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case union = matrimony.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 MATRIMONY mean?
MATRIMONY noun- Marriage; the state of being married.
- The ceremony of marriage.
- A particular solitaire card game using two decks of cards.