Crossword Genius

Prohibit nothing after check (4)

Ross

I believe the answer is:

veto

'prohibit' is the definition.
('veto' can be a synonym of 'prohibit')

'nothing after check' is the wordplay.
'nothing' becomes 'o' (looks like zero - 0).
'after' is a charade indicator (letters next to each other).
'check' becomes 'vet' (I've seen this before).
'o' after 'vet' is 'VETO'.

(Other definitions for veto that I've seen before include "An overriding negative vote" , "Forbid outright" , "The right to forbid an action" , "Ban; refuse to allow" , "Refuse to endorse" .)

I've seen this clue in The Telegraph.
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