The most common and most likely answer to this crossword clue is the 9 letter word CONSONANT
I've seen this crossword clue in The Guardian
C
O
N
S
O
N
A
N
T
More clues leading to the result CONSONANT
- Hypocrisy surrounding working issue in agreement
- Certainly not a Tory boy, soldier possibly
- In agreement with social worker about working with boy at first
- B, C or D, for example, in harmony
- One isn’t a worker behind party issue
- There’s only one in Eire
- Leader of Scots or Welsh, for example, not English or Irish
- Type of character that’s in minority in Europe, America, or Asia
- Agreeing to study issue with worker
- Every component in rhythm, for instance, is harmonious
Buddy explains!
The straight part
We know that "One isn’t a" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case one isn’t a = consonant.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 CONSONANT mean?
CONSONANT noun- A sound that results from the passage of air through restrictions of the oral cavity; any sound that is not the dominant sound of a syllable, the dominant sound generally being a vowel.
- A letter representing the sound of a consonant.
- Characterized by harmony or agreement.
- Having the same sound.
- Harmonizing together; accordant.
- Of or relating to consonants; made up of, or containing many, consonants.