Definition of top secret in English:

top secret

Syllabification: top se·cret

adjective

Of the highest secrecy; highly confidential: the experiments were top secret a top-secret mission
More example sentences
  • He handled - and secretly photographed - top-secret military documents that crossed his desk.
  • The real reason he is never free to visit you isn't because the CIA forbids him from leaving his top-secret mission in Uruguay.
  • I knew they couldn't because a few days before their president had provided me with a top-secret document from the computer.

Definition of top secret in:

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Word of the day hypnopompic
Pronunciation: ˌhɪpnə(ʊ)ˈpɒmpɪk
adjective
relating to the state immediately preceding waking up