Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “top secret”

See all translations

top secret

adjective uk   us  
(of information) extremely secret and not to be told to anyone outside a particular group of people: These papers are top secret. [before noun] a top-secret military research project
Translations of “top secret”
in Chinese (Traditional) (情報)絕密的…
in Chinese (Simplified) (情报)绝密的…
(Definition of top secret from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of top secret?
Add Cambridge dictionaries to your browser to your website

Word of the Day

luck out

to be very lucky

Word of the Day

Think long and hard; the language of decisions

by Liz Walter,
January 28, 2015
One of the best ways (perhaps the best way) to improve your English is to learn how words go together in phrases, idioms, or other patterns such as verb/noun or adjective/noun pairs (often called ‘collocations’). This blog looks at some useful phrases and collocations connected with the subject of decisions, something we

Read More 

micro pig noun

January 26, 2015
an extremely small pig, bred to be a pet Micro pigs have become popular pets recently, with famous owners including Victoria Beckham, Paris Hilton and Olympic diver, Tom Daley.

Read More