Synonyms of dictionary

dictionary

noun

ˈdik-shə-ˌner-ē 

as in lexicon

a reference book giving information about the meanings, pronunciations, uses, and origins of words listed in alphabetical order

try to develop the habit of going to the dictionary whenever you encounter an unfamiliar word

Synonyms & Similar Words

• lexicon
• vocabulary
• glossary
• thesaurus
• wordbook
• nomenclator
• gloss

Example Sentences

Recent Examples of dictionary

Performed by legends Julie Andrews and Dick Van Dyke, the silly song is a tongue-twister for kiddos, and the titular word, which means ‘extraordinarily good, wonderful’ even made its way into some real deal dictionaries. — Stephanie Ganz Published, Parents, 18 Oct. 2026

According to Merriam-Webster, a word has to be used by many, who all agree on the meaning for it, in order for the word to be considered worth adding to the dictionary. — Latoya Gayle, PEOPLE, 20 Sep. 2026

The famed dictionary added 1,400 new words to its dictionary on Wednesday, many focused on internet-first phases and trends. — Ct Jones, Rolling Stone, 16 Sep. 2026

From burritos to dictionaries, brands are already comparing a slew of foldable items to the new iPhone Duo. — Melina Khan, USA Today, 11 Sep. 2026