Phrase guide

top secret

adj · noun · 5 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

adj

Meaning 1

Information classified at one of the highest levels of sensitivity by a government, based on an assessment that it would cause exceptionally grave damage to national security if disclosed.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Topics: government, military, politics, war

Examples

  • NSA's report on the Liberty incident was originally classified top secret.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

A level of security clearance needed to access such information.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adj

Meaning 3

Pertaining to any especially sensitive closed-room activities.

Definition source: English Wiktionary via Wiktextract

Usage: figuratively, not-comparable

Examples

  • Steve Jobs set up a top secret team to design the Macintosh.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

A secret that is classed as "top secret"; top-secret information.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

Used other than figuratively or idiomatically: see top, secret.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

No etymology was provided for this word.

Across languages

Translations

24 source translations are retained for this English entry.

  • Azerbaijani: tam məxfi — information classified at the highest level
  • Chinese Mandarin: 絕對機密 /绝对机密 (juéduì jīmì) — information classified at the highest level
  • Chinese Mandarin: 絕密 /绝密 (juémì) — information classified at the highest level
  • Czech: přísně tajné — information classified at the highest level
  • Dutch: topgeheim — information classified at the highest level
  • Finnish: huippusalainen — information classified at the highest level
  • French: ultra-secret — information classified at the highest level
  • French: top-secret — information classified at the highest level
  • German: streng geheim — information classified at the highest level
  • Greek: άκρως απόρρητο (ákros apórrito) — information classified at the highest level
  • Hindi: अतिगुप्त (atigupt) — information classified at the highest level
  • Japanese: 極秘 (gokuhi) — information classified at the highest level
  • Norwegian Bokmål: topphemmelig — information classified at the highest level
  • Polish: ściśle tajny — information classified at the highest level
  • Portuguese: ultrassecreto — information classified at the highest level
  • Russian: соверше́нно секре́тный (soveršénno sekrétnyj) — information classified at the highest level
  • Russian: совсекре́тный (sovsekrétnyj) — information classified at the highest level
  • Slovak: prísne tajné — information classified at the highest level
  • Spanish: ultrasecreto — information classified at the highest level
  • Swedish: kvalhemlig — information classified at the highest level
  • Thai: ลับสุดยอด — information classified at the highest level
  • Turkish: çok gizli — information classified at the highest level
  • Ukrainian: надсекре́тний (nadsekrétnyj) — information classified at the highest level
  • Vietnamese: tối mật — information classified at the highest level