English Reference

Word

compendium

Phoneticscom·pen·dium

US/kəmˈpɛndiəm/

UK/kəmpˈɛndiəm/

Countable noun

Definition

n. a collection of information or facts about a specific subject, usually found in one book. It is a short but complete summary of a larger topic.

n. a concise but comprehensive collection of information or a detailed summary of a particular subject. Often refers to a single-volume work that gathers diverse materials into a systematic arrangement.

Examples

“The book is a useful compendium of local history.”

“The researcher published a compendium of all known medicinal plants found in the Amazon rainforest.”

“This digital archive serves as a vast compendium of 18th-century legal documents, providing scholars with a centralized resource for comparative analysis across different jurisdictions.”

Examples

simple

“The book is a useful compendium of local history.”

contextual

“The researcher published a compendium of all known medicinal plants found in the Amazon rainforest.”

complex

“This digital archive serves as a vast compendium of 18th-century legal documents, providing scholars with a centralized resource for comparative analysis across different jurisdictions.”

Usage

The plural form can be either 'compendiums' or 'compendia'.

Real-World Examples

“Our reporters share a compendium of debuts, discoveries and (sometimes overdue) appearances in the paper.”
The New York Times 15 Oct 2026
“There’s a hefty compendium of Plath’s poetry sitting on her side table but she doesn’t particularly rate it.”
The Guardian 21 Sept 2026
“Simply put, the Shahnameh is a compendium of indigenous, pre-Islamic myths, legends, and historical episodes relating to the Irano-Aryans, written in a relatively ‘pure’ form of Modern Persian largely devoid of foreign loanwords.”
BBC Culture 16 Aug 2018
“H ow to critique a compendium of writings on music by the Pulitzer prize-winning editor of the New Yorker ?”
The Guardian 23 Oct 2023

Etymology

From the Latin compendium (“that which is weighed together; a sparing, a saving, an abbreviation”), from com- (“with”) + pendō (“to weigh”).

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

Word family

NOUN

compendium(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
Occasional
Level
C1 · Advanced
Updated

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English Reference