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

The novel follows Harriet Bancroft, a bookish wallflower compiling a dictionary of slang. — Angelina Mazza, Vulture, 19 June 2026

Password candidates came from custom dictionaries with as many as eight words, common keyboard patterns, and cracking rules. — Dan Goodin, ArsTechnica, 17 June 2026

The phrase is commonly used in restaurant kitchens and originated at soda counters in the 1930s, according to the dictionary. — Melissa Quinn, CBS News, 11 June 2026

The Solons name refers to an ancient Greek lawmaker, whose name later became a colloquial term for wise legislators, according to the Merriam-Webster dictionary. — Camila Pedrosa, Sacbee.com, 29 May 2026