Crossword Genius

Prohibit a line that's mundane (5)

Ross

I believe the answer is:

banal

'mundane' is the definition.
(I've seen this in another clue)

'prohibit a line' is the wordplay.
'prohibit' becomes 'ban' (banning is a kind of prohibiting).
'line' becomes 'l' (used when specifying particular lines from a poem).
'ban'+'a'+'l'='BANAL'

'that's' is the link.

(Other definitions for banal that I've seen before include "Obvious and dull" , "Stock" , "flat" , "Tediously commonplace" , "Tediously unoriginal" .)

I've seen this clue in The Sun.
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