It's hot in this elevator - ridiculously so (6)

I believe the answer is:

torrid

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

'it's hot' is the definition.
(similar in meaning)

'this elevator ridiculously so' is the wordplay.
'TORRID' is hidden within the letters.
But, I am uncertain how the hidden word is indicated.

'in' acts as a link.

Can you help me to learn more?

(Other definitions for torrid that I've seen before include "Highly emotional" , "Blistering - steamy" , "Highly charged emotionally" , "Of climate, very hot and dry" , "Scorching hot" .)

I've seen this clue in The Irish Times.

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