open secretnoun [ C usually singular ]
uk/ˌəʊ.pən ˈsiː.krət/us/ˌoʊ.pən ˈsiː.krət/a fact that should be a secret when in fact a lot of people know about it:
It's an open secret around the office that they're having an affair.
Thesaurus: synonyms and related words
Apparent and obvious
- apparent
- be (as) plain as the nose on your face idiom
- be (right) under your nose idiom
- be etched somewhere idiom
- be writ large idiom
- leap out at sb
- linear
- loud
- loud and clear idiom
- manifest
- manifestly
- marked
- nose
- recognizable
- self-evident
- shine
- shine out
- shine through
- speaks for itself idiom
- stark
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