The most common and most likely answer to this crossword clue is the 8 letter word BIGAMIST
I've seen this crossword clue in The Guardian
B
I
G
A
M
I
S
T
More clues leading to the result BIGAMIST
- Second Union member who's perpetrated offence
- Great author has little time for criminal
- Law-breaker’s gambit is misplaced
- Epic film about a twice-married person
- . Extensive lack of clarity about a union fraudster
- Great morning to sit around with a criminal
- Criminal unionist, being more important, avoided broadcast
- Epic film about a criminal lover
- Criminal with an extra match
- One in two unions has great aims blurred over time
Buddy explains!
The straight part
We know that "One in two unions" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case one in two unions = bigamist.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.