Crossword Genius

One obviously too hot wearing this? (7)

Ross

I believe the answer is:

sweater

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'one obviously too hot wearing this?' is the definition.
The definition suggests a singular noun which matches the answer.

This is the entire clue.

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(Other definitions for sweater that I've seen before include "Clobber" , "mugger once" , "Jumper (7)" , "person in a sauna?" , "Guernsey" .)

I've seen this clue in The Sun.
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