What does glossary mean?
A glossary is a reference list that explains words or terms, especially those associated with a particular subject, text, or field. Its entries may include definitions, pronunciation, examples, illustrations, and notes on how a term should be used. Glossaries are commonly found at the back of books, in textbooks and reports, and in instructional or digital resources. The term is often used when the vocabulary is technical and may be difficult for a general audience, but it can also refer to a friendly introduction to essential words in a course or hobby. A glossary differs from a general dictionary because it concentrates on a defined group of terms rather than attempting to cover the whole English language. It also differs from a lexicon, which more commonly refers to the vocabulary associated with a person, text, or discipline. The word is useful whenever readers need quick access to the meanings and contexts of specialized terminology.
nounA glossary is an alphabetical list of words or specialized terms, usually with definitions and explanations of their meanings or usage. It may also include pronunciation, examples, illustrations, or other information relevant to the terms.
- An alphabetical reference list of words or specialized terms, with definitions, explanations, or usage notes.
"The textbook includes a glossary of key terms at the back."
"The author provided a glossary of technical terms for readers unfamiliar with the subject."
"A short glossary in the introduction helps newcomers understand the vocabulary used throughout the course."
The standard plural of glossary is “glossaries.”
"The publisher prepared two glossaries for the different editions of the course."
From the Greek glōssa, meaning “tongue” or “language,” a glossary is a friendly map through the vocabulary of a subject.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does glossary come from?
The English word glossary entered use in the early 17th century from the Greek glōssa, meaning “tongue” or “language,” combined with the suffix -ary. Its development reflects the long-standing practice of collecting difficult words and explaining their meanings, often at the end of a learned text. The word is related to cognates such as gloss and glossology, and more distantly to glottis, all belonging to a Greek family associated with the tongue and language.
Related word forms
How glossary is actually used
Glossary is a standard, widely used term in academic, technical, and instructional writing. It is usually countable and takes the plural form “glossaries.” In general educational contexts, it may be used accessibly rather than as a sign of specialist jargon.
Easily confused with glossary
A gloss explains the meaning of an individual word or phrase, whereas a glossary is a collection of such explanations, usually arranged alphabetically.
A lexicon is primarily a vocabulary associated with a person, text, language, or field, while a glossary is a reference list designed to explain terms.