Synonym: hidden, mysterious, private, secluded. Antonym: open. Similar words: in secret, secretary, desecrate, consecrate, decree, desecration, decreed, ice-cream. Meaning: ['sɪːkrɪt] 
n. 1. something that should remain hidden from others (especially information that is not to be passed on) 2. information known only to a special group 3. something that baffles understanding and cannot be explained. adj. 1. not open or public; kept private or not revealed 2. conducted with or marked by hidden aims or methods 3. not openly made known 4. communicated covertly 5. not expressed 6. designed to elude detection 7. hidden from general view or use 8. (of information) given in confidence or in secret 9. indulging only covertly 10. having an import not apparent to the senses nor obvious to the intelligence; beyond ordinary understanding 11. the next to highest level of official classification for documents.
n. 1. something that should remain hidden from others (especially information that is not to be passed on) 2. information known only to a special group 3. something that baffles understanding and cannot be explained. adj. 1. not open or public; kept private or not revealed 2. conducted with or marked by hidden aims or methods 3. not openly made known 4. communicated covertly 5. not expressed 6. designed to elude detection 7. hidden from general view or use 8. (of information) given in confidence or in secret 9. indulging only covertly 10. having an import not apparent to the senses nor obvious to the intelligence; beyond ordinary understanding 11. the next to highest level of official classification for documents. 
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(121) Don't worry. Your secret is safe with me.
(122) His secret hobby: performing magic tricks.
(123) The team's secret weapon was their new young defender.
(124) The secret is a little widget in the can.
(125) Don't try to charm the secret out of me.
(126) Are you in on her secret?
(127) The company keeps secret files on all its employees.
(128) Whatever you do, I won't tell you my secret.
(129) Their affair is an open secret.
(130) He babbled the secret to his lover.
(131) Can I trust you to keep a secret?
(132) You can rely on me to keep your secret.
(133) It'll remain a secret unless someone blabs.
(134) Why didn't you confide the secret to me?
(135) Partisan fighters fought in secret against the enemy.
(136) He took that secret to the grave.
(137) Louise made no secret of her dislike for John.
(138) Her secret remains untold to this day.
(139) Unions would elect their leadership by secret postal ballot.
(140) My garrulous neighbour had given away the secret.
(141) Don't babble the secret to them.
(142) The officer betrayed the secret to his friends.
(143) The desk has a secret compartment.
(144) Please don't give my secret away!
(145) She eats in secret like most compulsive overeaters.
(146) She kept her past secret from us all.
(147) He was finally cleared for top secret information.
(148) He made no secret of his ambition .
(149) They frightened him into telling them the secret.
(150) Details of the program are a closely-guarded secret .
More similar words: in secret, secretary, desecrate, consecrate, decree, desecration, decreed, ice-cream, decrepit, decrease, decrescent, recreation, excrete, concrete, fertile crescent, accretion, syncretic, discretion, decry, sec., recruit, scarecrow, secede, insect, sector, secure, second, necromancer, recruitment, seclude.