The most common and most likely answer to this crossword clue is the 4 letter word PRIG
P
R
I
G
More clues leading to the result PRIG
- Self-righteous person parking oddly
- Smug person, greedy one — about right
- Puritan outfit under pressure
- Quietly set up goody-goody
- Mrs Grundy runs animal houses
- Hypocrite pitches right into greedy guts
- Quiet trick from one who feels no guilt?
- Sanctimonious person repeatedly turning prison sitcom on and off?
- Old hawker, filthy person, holding hand
- Killjoy is intermittently sporting
Buddy explains!

The straight part
We know that "Sanctimonious person" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case sanctimonious person = prig.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 PRIG mean?
PRIG noun- A tinker.
- A petty thief or pickpocket.
- A deliberately superior person; a person who demonstrates an exaggerated conformity or propriety, especially in an irritatingly arrogant or smug manner.
- A conceited dandy; a fop.
- To filch or steal.
- To ride
- To copulate