Crossword Genius

Mind us going without any clothes (6)

Ross

I believe the answer is:

nudism

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

'any clothes' is the definition.
Although both the answer and definition are singular nouns, I don't understand how they can define each other.

'mind us going without' is the wordplay.
'mind us' anagrams to 'NUDISM'.
Though, I am unsure how the anagram is indicated.

Can you help me to learn more?

(Other definitions for nudism that I've seen before include "Mind us (anag)" , "Practice of going without clothes" , "taking off habitually" , "Practice of going naked" , "Having nothing on" .)

I've seen this clue in the Sydney Morning Herald.
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