English Reference

Word

undisclosed

Phoneticsundis·closed

US/ˌəndɪˈskɫoʊzd/

UK/ʌndɪsklˈəʊzd/

Definition

adj. describes information that is not shared with the public, often for a specific reason.

adj. not revealed or made public; typically used for information withheld for privacy, security, or legal reasons.

Examples

“The company was sold for an undisclosed amount of money.”

“The celebrity couple was married at an undisclosed location to avoid the attention of the paparazzi.”

“While the settlement was reached out of court, the specific terms remain undisclosed due to a strict confidentiality agreement signed by both parties.”

Examples

simple

“The company was sold for an undisclosed amount of money.”

contextual

“The celebrity couple was married at an undisclosed location to avoid the attention of the paparazzi.”

complex

“While the settlement was reached out of court, the specific terms remain undisclosed due to a strict confidentiality agreement signed by both parties.”

Usage

Usually placed before the noun it describes.

Teaching tip

This word is very common in news reports and legal contexts, especially regarding money or locations.

Real-World Examples

“Nine of the 14 moves identified this summer are listed as free transfers, with the other five for undisclosed fees.”
BBC News 15 Aug 2026
“Ultimately, Maresca got his move but was also forced to apologise on Instagram and pay an undisclosed sum to Chelsea ." 0:28 Is there a deadline on Man City for Fernandez transfer?”
BBC News 14 Aug 2026

Etymology

From un- + disclosed.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Synonyms

secrethiddenunrevealed

Antonyms

Word family

ADJECTIVE

undisclosed(C1)

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
Frequency
Frequent
Level
C1 · Advanced
Updated
Register
Formal

QR code

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English Reference