Synonyms of come clean in English:

come clean


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phrase

1‘I'll have to come clean—that story is only a rumour’

SYNONYMS
tell the truth, be completely honest, tell all, make a clean breast of it
confess, own up, admit guilt, admit to one's actions, admit to one's crimes, admit to one's sins, accept blame, accept responsibility, plead guilty
informal get something off one's chest, fess up