Crossword Genius

Sleeping around is out (6)

Ross

I believe the answer is:

untrue

I believe this clue is a double definition.

'sleeping around' is the first definition.
(I've seen this before)

'out' is the second definition.
(I've seen this before)

'is' acts as a link.

(Other definitions for untrue that I've seen before include "Not accurate or veracious" , "Counter-factual" , "Not faithful" , "Fallacious" , "Not correct, like a lie" .)

I've seen this clue in The Sun.
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