What does encyclopaedic mean?
"Encyclopaedic" is an adjective describing something that is comprehensive in the manner of an encyclopedia — sweeping in scope, thorough in detail, and wide-ranging across many fields of knowledge. It is most often applied to knowledge itself: a scholar may have encyclopaedic knowledge of a subject, or a colleague may possess an encyclopaedic memory for names, dates, and facts. The word carries a broadly positive connotation, suggesting impressive breadth and mastery rather than mere accumulation. Derived from the Greek enkyklios paideia, literally the "circle of learning," it originally referred to a well-rounded education embracing all the arts and sciences. Today it functions both literally, in reference to actual encyclopedias or reference works, and figuratively, in praise of remarkable intellectual range. The spelling "encyclopedic" is standard in American English, while "encyclopaedic," preserving the Greek-derived digraph, remains common in British English. Both forms are fully accepted and interchangeable in meaning.
adjectiveComprehensive in scope or content, like an encyclopedia; possessing or relating to knowledge of many subjects.
- Relating to or characteristic of an encyclopedia; covering a wide range of subjects comprehensively.
- (Of a person's memory or mind) containing or appearing to contain an extraordinarily vast store of information.
"Her encyclopaedic knowledge of Renaissance art made her the obvious choice to curate the exhibition."
"The reference library offers encyclopaedic coverage of topics from astronomy to zoology."
"His encyclopaedic memory allowed him to recall obscure statistics from decades-old cricket matches."
The word traces back to Greek enkyklios paideia — literally 'the circle of learning' — meaning education as a complete, well-rounded cycle rather than a mere collection of facts.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of encyclopaedic
Encyclopaedic derives from encyclopedia, which entered English in the early 16th century from Neo-Latin encyclopaedia, itself adapted from Greek enkyklios paideia, meaning "circular" or "well-rounded education." The adjective form arose by adding the suffix -ic, first appearing in English in the 17th century to describe works or knowledge of encyclopedic comprehensiveness. Cognates appear throughout European languages, including French encyclopédique, German enzyklopädisch, and Spanish enciclopédico, all tracing back to the same Greek root.
Related word forms
How encyclopaedic is actually used
Register is neutral-to-formal. In American English the spelling 'encyclopedic' strongly predominates; 'encyclopaedic' is chiefly British and Commonwealth usage. Often used figuratively and admiringly when describing someone's knowledge or memory ('an encyclopaedic mind').
Easily confused with encyclopaedic
Encyclopedic is simply the standard American spelling of the same word, while encyclopaedic reflects the British spelling with the 'ae' digraph retained from the Greek.