The most common and most likely answer to this crossword clue is the 2 plus 3 plus 3 letter word AS ONE MAN
A
S
O
N
E
M
A
N
More clues leading to the result AS ONE MAN
Buddy explains!
The straight part
We know that "Unanimous" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case unanimous = as one man.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.