Definition of best-kept secret
- This wine may be Australia's best-kept secret.
: kept from knowledge or view : hidden
: marked by the habit of discretion : closemouthed
: working with hidden aims or methods : undercover
: something kept hidden or unexplained : mystery
: something kept from the knowledge of others or shared only confidentially with a few
: a method, formula, or process used in an art or operation and divulged only to those of one's own company or craft : trade secret
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