Bedeutung von “secret” — Learner’s Dictionary

secret

noun [ C ] us uk /ˈsiːkrət/
The recipe is a well-kept secret.The exact date of the wedding remains a secret.Please let me in on the secret.The family regarded it as a shameful secret.We don't keep secrets from each other.

B1 something that you tell no one about or only a few people:

I'm having a party for him but it's a secret.
Can you keep a secret?
the secret

B2 the best way of achieving something:

That's the secret to making a good cocktail.
So what's the secret of your success?
in secret

B2 without telling other people:

For years they met in secret.

(Definition von “secret noun” aus dem Cambridge Learner's Dictionary © Cambridge University Press)