1. [ adjective ] not open or public; kept private or not revealed

"a secret formula" "secret ingredients" "secret talks"

Related terms: concealed
2. [ noun ] something that should remain hidden from others (especially information that is not to be passed on)

"the combination to the safe was a secret" "he tried to keep his drinking a secret"

Related terms: information trade_secret open_secret confidence
3. [ adjective ] not openly made known
Synonyms: unavowed

"a secret marriage" "a secret bride"

Related terms: unacknowledged
4. [ adjective ] conducted with or marked by hidden aims or methods
Synonyms: undercover clandestine underground hush-hush hugger-mugger on_the_quiet surreptitious hole-and-corner cloak-and-dagger

"clandestine intelligence operations" "cloak-and-dagger activities" "secret missions" "surreptitious mobilization of troops" "an undercover investigation" "underground resistance"

Related terms: covert
5. [ adjective ] communicated covertly

"their a secret signal was a wink" "secret messages"

Related terms: covert
6. [ adjective ] not expressed
Synonyms: private

"secret (or private) thoughts"

Related terms: inward
7. [ adjective ] indulging only covertly
Synonyms: closet

"a closet alcoholic" "closet liberals"

Related terms: covert
8. [ adjective ] the next to highest level of official classification for documents
Related terms: classified
9. [ noun ] information known only to a special group
Synonyms: arcanum

"the secret of Cajun cooking"

Related terms: information password cabala esoterica
10. [ adjective ] (of information) given in confidence or in secret
Synonyms: confidential closet

"closet information" "this arrangement must be kept confidential" "their secret communications"

Related terms: private
11. [ adjective ] designed to elude detection
Synonyms: hidden

"a hidden room or place of concealment such as a priest hole" "a secret passage" "the secret compartment in the desk"

Related terms: concealed
12. [ adjective ] hidden from general view or use
Synonyms: secluded privy

"a privy place to rest and think" "a secluded romantic spot" "a secret garden"

Related terms: private
13. [ adjective ] having an import not apparent to the senses nor obvious to the intelligence; beyond ordinary understanding
Synonyms: mysterious mystic occult orphic mystical

"mysterious symbols" "the mystical style of Blake" "occult lore" "the secret learning of the ancients"

Related terms: esoteric
14. [ noun ] something that baffles understanding and cannot be explained
Synonyms: mystery enigma closed_book

"how it got out is a mystery" "it remains one of nature's secrets"

Related terms: perplexity perplex
Similar spelling:   secrete