come clean

come clean

to tell the truth, often about something bad that you have been trying to keep a secret. I felt it was time to come clean and tell her what the doctor had told me. It's time for the Chancellor to come clean about the proposed tax rises. (often + about)

See also: clean, come

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come clean

to tell the truth about something you have tried to hide. I should probably come clean now and admit that I don't really know how to cook at all.

See also: clean, come