| Main Entry: | classified information |
| Part of Speech: | noun |
| Definition: | secret information |
Synonyms: |
top secret information |
| Main Entry: | secret |
| Part of Speech: | noun |
| Definition: | something kept hidden, unrevealed |
Synonyms: |
cipher, classified information, code, confidence, confidential information, enigma, formula, key, magic number, mystery, occult, oracle, password, privileged information, puzzle, skeleton in cupboard, unknown |
Antonyms: |
known, public knowledge, revelation |
| Main Entry: | trade secret |
| Part of Speech: | noun |
| Definition: | manufacturer's secret |
Synonyms: |
classified information, proprietary knowledge, secret device, secret formula, secret method |