The most common and most likely answer to this crossword clue is the 7 letter word INTONER
I've seen this crossword clue in The Guardian
I
N
T
O
N
E
R
More clues leading to the result INTONER
- Fashionable cosmetic preparation for one vocalising in church
- In saint one recognises someone who prays lyrically?
- Italian team keeping on leader of chant
- Complain to Nero, bored by bloke with monotonous voice
- Reprobate not initially welcoming to monotonous speaker
- Chanter is a fan of loveless fiddler?
- Using modified ten iron, his pitch changes little
Buddy explains!

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.