Meaning of secret in English
secret
noun
UKvolume_up
/ˈsiː.krət/
USvolume_up
/ˈsiː.krət/
B1[ C ]

a piece of information that is only known by one person or a few people and should not be told to others:

Why did you have to go and tell Bob about my illness? You just can't keep a secret, can you?

A close couple should have no secrets from each other.

Aren't you going to let me in on (= tell me) the secret?

There's no secret (= everyone knows) about his homosexuality.

She makes no secret of (= makes very clear) her dislike of her father.

That restaurant is one of the best-kept secrets in Rome.

[ C ]

a fact about a subject that is not known:

the secrets of the universe

B2[ S ]

the particular knowledge and skills needed to do something very well:

So what's the secret of being a good cook?

secret
adjective
UKvolume_up
/ˈsiː.krət/
USvolume_up
/ˈsiː.krət/
B1

If something is secret, other people are not allowed to know about it:

The president escaped through a secret passage underneath the parliament building.

We ought to keep these proposals secret from the chairman for the time being.

This is top (= extremely) secret information.

Do you think we'll manage to keep the surprise party secret from Mum until her birthday?

[ before noun ]

used to refer to someone who has a particular habit, hobby, or feeling but does not tell or show other people that they do:

a secret drinker

a secret admirer

secret
noun [ C ]
USvolume_up
/ˈsi·krɪt/

a piece of information that is not generally known or is not known by someone else and should not be told to others:

We don’t keep secrets from each other.

Don’t tell anyone – it’s a secret.

What’s the secret of your success (= How was it achieved)?

secret
adjective [ U ]
USvolume_up
/ˈsi·krət/

known, done, or kept without others knowing:

secret information

The peace process began with secret talks in Norway.

secret
adjective
UKvolume_up
/ˈsiːkrət/
USvolume_up

if something is secret, only particular people are allowed to know about it:

secret deal/meeting/talks

Staff were informed to keep the company's plans secret.

a secret document/operation/proposal

secret
noun [ C ]
UKvolume_up
/ˈsiːkrət/
USvolume_up

an important piece of information that only a few people know and that should not be told to anyone else:

The ingredients of the drink are a closely-guarded secret.

a national/military/state secret