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English Words Starting With D

7,181 entries — pick a word to see its definition, pronunciation, and usage.

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Noun Verb Adjective Adverb Plural noun Suffix Combining form Verb (transitive)Verb (intransitive)Verb (ambitransitive)

dictation
nounB2
/dɪkˈteɪʃən/The action of speaking words aloud so that they can be written down by another person.
dictator
nounC1
/dɪkˈteɪ.tər/A ruler with total power over a country, typically one who has obtained control by force.
dictatorship
nounB2
/dɪkˈteɪtəʃɪp/A form of government where absolute power is held by a single person (dictator) or a small group, with no constraints from law, constitution, or popular sovereignty.
diction
nounC1
/ˈdɪkʃ(ə)n/The choice and use of words and phrases in speech or writing.
dictionary
nounC1
/ˈdɪkʃ(ə)n(ə)ri/A reference book containing an alphabetical list of words with information about their meanings, pronunciations, etymologies, and other linguistic details.
dictionary and thesaurus
nounB2-C1
/ˈdɪkʃ(ə)n(ə)ri‿ən(d) θɪˈsɔːrəs/A reference work combining a dictionary (with word definitions, pronunciations, and etymologies) and a thesaurus (with synonyms and antonyms).
dictionary attack
nounC1
/ˈdɪkʃ(ə)n(ə)ri əˈtæk/A cyberattack method that attempts to gain unauthorized access by systematically trying every word or common password from a prepared list (a 'dictionary').
dictionary catalog
nounC1
/ˈdɪkʃən(ə)ri ˈkætəlɒɡ/A library catalog in which all entries (author, title, subject, etc.) are arranged in a single alphabetical sequence.
dictionary catalogue
nounC1
/ˈdɪkʃ(ə)n(ə)ri ˈkætəlɒɡ/A library catalogue where entries are arranged in alphabetical order by author, title, or subject, similar to the arrangement of a dictionary.
dictionary of names
nounC1
/ˈdɪkʃ(ə)n(ə)ri əv neɪmz/A reference book that lists personal names, their meanings, origins, and sometimes associated facts.
dictionary.com
verb-transitiveB1
/ˌdɪk.ʃən.ər.iˈdɒt.kɒm/A popular commercial online dictionary and reference website providing definitions, pronunciations, translations, and word-related content.
dictograph
nounVery Low (Historical/Obsolete)
/ˈdɪktəɡrɑːf/A historical device for secretly listening to or recording conversations.
dictum
nounC1
/ˈdɪktəm/A formal pronouncement or statement of opinion, especially one considered authoritative.
dictynna
nounExtremely rare
/dɪkˈtɪnə/In ancient Greek mythology, an epithet of the goddess Artemis, later identified with the Cretan goddess Britomartis, a nymph and huntress.
dictyopteran
nounExtremely Rare / Technical
/ˌdɪktɪˈɒptərən/Any insect of the order Dictyoptera, which includes cockroaches and mantises.
dictyosome
nounVery Low
/ˈdɪktɪə(ʊ)ˌsəʊm/An organelle within a cell, specifically a stack of membrane-bound vesicles, involved in modifying, sorting, and packaging proteins for secretion.
dicyandiamide
nounVery Low (Technical/Scientific)
/daɪˌsaɪənˈdaɪəmaɪd/A white, crystalline chemical compound with the formula C2H4N4, used primarily in the production of melamine and as a stabilizer in fertilizers and certain plastics.
dicyclopentadienyl metal
nounVery Low
/daɪˌsaɪkləʊˌpɛntədaɪˈiːnɪl ˈmɛtl/A chemical compound or complex where a metal atom is bonded between two cyclopentadienyl (C₅H₅⁻) ring ligands.
dicyclopentadienyliron
nounVery Low (Highly Specialized)
/daɪˌsaɪ.kləʊ.pen.tə.daɪˌiː.nɪlˈaɪən/An organometallic compound with two cyclopentadienyl anions bound to an iron(II) cation.
dicynodont
nounC2
/daɪˈsɪnəʊdɒnt/Any member of an extinct group of herbivorous mammal-like reptiles from the Permian and Triassic periods, characterised by two prominent tusks.

Showing 3161–3180 of 7181 words.