Crossword Genius

Resentment returning in extremes of Christians — requirement for this? (7)

Ross

I believe the answer is:

irenics

I'm a little stuck... Click here to teach me more about this clue!

'resentment returning in extremes of christians requirement for this?' is the definition.
The definition suggests a singular noun which matches the answer.

This is the entire clue.

Can you help me to learn more?

(Another definition for irenics that I've seen is " peaceful theology".)

I've seen this clue in The Sunday Times and The Times.
Want a hint initially instead of a full solution? Install my app