Crossword Genius

Nothing in order if ridiculously way out, possibly? (4,4)

Ross

I believe the answer is:

fire door

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

'way out possibly?' is the definition.
I can't judge whether this definition defines the answer.

'nothing in order if ridiculously' is the wordplay.
'nothing in' becomes 'o' (I've seen this in other clues).
'ridiculously' indicates an anagram.
'o'+'order'+'if'='oorderif'
'oorderif' anagrammed gives 'FIRE DOOR'.

Can you help me to learn more?

(Other definitions for fire door that I've seen before include "Emergency exit" , "Barrier to prevent the spread of conflagration" , "safety measure" , "Barrier to flames" , "Safety partition" .)

I've seen this clue in The Telegraph.
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