Crossword Genius

Dross! Oscar unlikely for creaking old British drama (10)

Ross

I believe the answer is:

crossroads

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

'creaking old british drama' is the definition.
Although both the answer and definition are singular nouns, I can't understand how one could define the other.

'dross oscar unlikely' is the wordplay.
'unlikely' is an anagram indicator.
'dross'+'oscar'='drossoscar'
'drossoscar' anagrammed gives 'CROSSROADS'.

'for' is the link.

Can you help me to learn more?

(Other definitions for crossroads that I've seen before include "critical situation?" , "Soap once" , "Meeting of ways" , "Intersection of ways" .)

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