Crossword Genius

One waited for returning? No good fussing (2-2)

Ross

I believe the answer is:

to-do

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

'fussing' is the definition.
(to-do can mean a fuss or commotion)

'one waited for returning? no good' is the wordplay.
I cannot quite understand how this works, but
'for' could be 'to' (eg both can mean 'in the opinion of') and 'to' is present in the answer.
'no' could be 'o' (resembles 0 - 'no' can mean 'zero') and 'o' is found within the answer.
A single letter 'd' remains which might be clued in a way I don't understand.
This may be the basis of clue (or it may be nonsense).

Can you help me to learn more?

(Other definitions for to-do that I've seen before include "Fuss and bother" , "Bustle" , "Spot of bother" , "Quarrel" , "Fuss or commotion" .)

I've seen this clue in The Telegraph.
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