Meaning of worst-kept secret | Babel Free
Definitions
A situation where little or no attempt has been made to keep a matter secret.
idiomatic
Examples
“Late last year, the first test train ran on the line - a Class 165 diesel multiple unit provided by Chiltern Railways. It provided yet another clear indication to what seems to be one of the worst-kept secrets on the railways - that Chiltern will be the operator of EWR services.”
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.