The most common and most likely answer to this crossword clue is the 6 letter word PREACH
I've seen this crossword clue in The Daily Telegraph
P
R
E
A
C
H
More clues leading to the result PREACH
- After pressure get to give sermon
- Evangelise quietly about a place of worship
- Talk earnestly and quietly about a church
- Coppers get hold of address
- Advocate system for counting votes of everyone?
- Advocate fruit to be infused with source of radiation
- What minister regularly does, fine sort entertaining queen?
- Pleasing thing about rector – what he regularly does?
- Give a sermon, real beauty about king
- Explain model changes to public relations instructor
Buddy explains!

The straight part
We know that "Give a sermon" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case give a sermon = preach.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 PREACH mean?
PREACH noun- A religious discourse.
- To give a sermon.
- To proclaim by public discourse; to utter in a sermon or a formal religious harangue.
- To advise or recommend earnestly.
- To teach or instruct by preaching; to inform by preaching.
- To give advice in an offensive or obtrusive manner.