Crossword Genius

Blind German communist regularly missing signage (3,7)

Ross

I believe the answer is:

red herring

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'blind german' is the definition.
'red herring' can be an answer for 'blind' (thesaurus). I am not sure about the 'german' bit.

'communist regularly missing signage' is the wordplay.
'communist' becomes 'red' (red can informally mean communist).
'regularly missing signage' becomes 'herring' (I can't explain this - if you can you should believe this answer much more).
'red'+'herring'='RED HERRING'

Can you help me to learn more?

(Other definitions for red herring that I've seen before include "Irrelevant topic" , "Diversion intended to distract attention from the main issue" , "It may well put you off" , "fish" , "bait, of a certain sort" .)

I've seen this clue in The Times.
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