secret

US /ˈsiː.krət/
UK /ˈsiː.krət/
"secret" picture
1.

something that is kept hidden or unknown from others

:
•
Can you keep a secret?
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The recipe is a family secret.
:
confidentialitymysteryenigma
:
public knowledgeopenness
2.

a method or trick that is not generally known and that gives one an advantage

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What's your secret to success?
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The chef shared his secret ingredient.
:
keytrickknackformula
1.

kept hidden from others; not publicly known

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•
They held a secret meeting.
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The information is highly secret.
:
confidentialclassifiedprivatecoverthidden
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openpublicknown
:
secretesecretivekeep a secrettrade secretopen secret