Definition of best-kept secret
: something very good that not many people know about This wine may be Australia's best-kept secret.
Word by Word Definitions
: 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
Seen and Heard
What made you want to look up best-kept secret? Please tell us where you read or heard it (including the quote, if possible).