dictionary.
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.
Meaning & usage
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.
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. A synchronic dictionary of a standardised language held to only contain words that are properly part of the language.
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. A reference work on a particular subject or activity in which the entries are arranged alphabetically; an alphabetical encyclopedia.
a law dictionary
a dictionary of sports
The collection of words used or understood by a particular individual.
Someone or something regarded as a repository or compendium of information.
walking dictionary
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).
Where this word comes from
Etymology tree Proto-Indo-European *deyḱ- Proto-Indo-European *-eti Proto-Indo-European *déyḱeti Proto-Italic *deikō Latin dīcō Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Latin dictiō Proto-Indo-European *-yósder. Proto-Italic *-āzios Latin -āriusnom. Latin -ārium ▲ Latin dictiō ▲ Latin -āriusnom. Latin -ārius Latin dictiōnārius? Medieval Latin dictiōnāriumlbor. Middle English dixionare English dictionary 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.
To look up in a dictionary.
To add to a dictionary.
To compile a dictionary.
Where this word comes from
Etymology tree Proto-Indo-European *deyḱ- Proto-Indo-European *-eti Proto-Indo-European *déyḱeti Proto-Italic *deikō Latin dīcō Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Latin dictiō Proto-Indo-European *-yósder. Proto-Italic *-āzios Latin -āriusnom. Latin -ārium ▲ Latin dictiō ▲ Latin -āriusnom. Latin -ārius Latin dictiōnārius? Medieval Latin dictiōnāriumlbor. Middle English dixionare English dictionary 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.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.