Crossword Genius

Reveal unintentionally (6)

Ross

I believe the answer is:

betray

'reveal unintentionally' is the definition.
(synonyms)

This is all the clue.

(Other definitions for betray that I've seen before include "Be disloyal to like Judas" , "Expose" , "Deliver to an enemy by treachery" , "Act treacherously towards (someone)" , "shop" .)

I've seen this clue in The Guardian and The New York Times.
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