Crossword Genius

Pressure to encourage expulsion (5)

Ross

I believe the answer is:

purge

'expulsion' is the definition.
(an expulsion is a purge or removal)

'pressure to encourage' is the wordplay.
'pressure' becomes 'p' (abbreviation).
'to encourage' becomes 'urge' (I've seen this before).
'p'+'urge'='PURGE'

(Other definitions for purge that I've seen before include "Exterminate" , "elimination of opponents" , "pogrom" , "Purify, clear out" , "Remove undesirable elements" .)

I've seen this clue in The Sun.
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