Definition of secret
(adj)
not
open or public;
kept private or not revealed; "a
secret formula"; "secret ingredients"; "secret talks"
conducted with or
marked by
hidden aims or methods; "clandestine
intelligence operations"; "cloak-and-dagger activities
behind enemy lines"; "hole-and-corner intrigue"; "secret missions"; "a
secret agent"; "secret
sales of arms"; "surreptitious
mobilization of troops"; "an undercover investigation"; "underground resistance"
communicated covertly; "their
secret signal was a wink"; "secret messages"
not expressed; "secret (or private) thoughts"
something that baffles
understanding and cannot be explained; "how it got out is a mystery"; "it
remains one of nature's secrets"