Video shows what dictionary means. A reference work with a list of words from one or more languages, normally ordered alphabetically and explaining each word's meaning and sometimes containing information on its etymology, usage, translations and other data.. By extension, any work that has a list of material organized alphabetically; e.g. biographical dictionary, encyclopedic dictionary.. An associative array, a data structure where each value is referenced by a particular key, analogous to words and definitions in a physical dictionary.. dictionary synonyms: wordbook. dictionary pronunciation. How to pronounce, definition by Wiktionary dictionary. dictionary meaning. Powered by MaryTTS