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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(151) Ann faithfully promised never to tell my secret.
(152) Shall I let you in on a little secret?
(153) His secret fear was that Jenny would leave him.
(154) He swore never to divulge the secret.
(155) Why is all this such a big secret ?
(156) They were so secret about everything.
(157) He babbled the secret out to his friends.
(158) Last night, we held a meeting in secret.
(159) She's terrified her mother might find out her secret.
(160) She admired him, in secret of course.
(161) The chairperson is chosen by secret ballot .
(162) I'd be grateful if you would keep it a secret.
(163) The secret service probably has a dossier on all of us.
(164) It appears that the two leaders are holding secret talks.
(165) The secret was leaked to a reporter from the "New York Times".
(166) Nor am I aware that anyone else knows the secret.
(167) They had given an absolute assurance that it would be kept secret.
(168) Trust her to spill the beans(Sentencedict.com), she never could keep a secret.
(169) If you tell our secret your name will be mud around here.
(170) She dug her elbow into Jim's ribs to remind him not to give the secret away.
(171) She claimed that the minister had offered her hush money to keep their child a secret.
(172) He betrayed our friendship by revealing my secret to his cousin.
(173) I told her my secret in the mistaken belief that I could trust her.
(174) He's a devious,(http://sentencedict.com/secret.html) secret person and I don't trust him.
(175) I made no secret of the fact that I was not a believer.
(176) He publicly attacked the people who've been calling for secret ballot nominations.
(177) He confessed to having a secret admiration for his opponent.
(178) It's pointless trying to keep your friendship secret it's common knowledge already.
(179) He escaped from the secret police by the skin of his teeth.
(180) The secret of their success lies in their attention to detail.
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.