dictionary

/ˈdɪk.ʃəˌnɛ.ɹi/
nounverb

A reference work listing words or names from one or more languages, usually ordered alphabetically, explaining each term's meanings or senses, often also containing information on its etymology, pronunciation, usage, semantic relations, translations, as well as other relevant information.

NWL Collins ENABLE

Noun 4 meanings

  1. A reference work listing words or names from one or more languages, usually ordered alphabetically, explaining each term's meanings or senses, often also containing information on its etymology, pronunciation, usage, semantic relations, translations, as well as other relevant information.

    “If you want to know the meaning of a word, look it up in the dictionary.”

  2. The collection of words used or understood by a particular individual.

  3. Someone or something regarded as a repository or compendium of information.

    “walking dictionary”

  4. An associative array; a data structure where each value is referenced by a particular key, analogous to words and definitions in a dictionary (noun sense 1).

Verb 2 meanings

  1. To look up in a dictionary.

  2. To add to a dictionary.

Definitions: Wiktionary (CC BY-SA) via Kaikki/Wiktextract

Where it comes from

Etymology

From Middle English dixionare, a learned borrowing from Medieval Latin dictiōnārium, from Latin dictiōnārius, from dictiō (“a speaking”), from dictus, perfect past participle of dīcō (“to speak”) + -ārium (“room, place”). By surface analysis, diction + -ary.

Similar and opposite words

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DICTIONARY at a glance

DICTIONARY has 10 letters and scores 16 points in Scrabble (D 2 + I 1 + C 3 + T 1 + I 1 + O 1 + N 1 + A 1 + R 1 + Y 4) and 17 in Words With Friends, before board bonuses. It ranks #6,783 by how often it appears in everyday English. It is valid in ENABLE, NWL2023, Collins/SOWPODS.

Rhymes with dictionary

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