Word.ws English Dictionary

diadem

/ˈdaɪ.əˌdɛm/

diadem noun: an ornamental headband worn as a badge of royalty.

diadem: an ornamental headband worn as a badge of royalty
Image: CC BY-SA 3.0, via Wikimedia Commons

Noun

diadem (plural diadems)

  1. An ornamental headband worn as a badge of royalty.
    • The Apollon wing of the Louvre has a set of historic crowns, diadems and sovereign jewellery.2025 October 19, Angelique Chrisafis, “‘Priceless’ jewellery stolen from Louvre in raid by ‘experienced’ thieves”, in The Guardian, →ISSN
  2. A crown.
    • And vvhen the princely Perſean Diadem, / Shall ouervveigh his vvearie vvitleſſe head, / And fall like mellovved fruit, vvith ſhakes of death, / In faire Perſea noble Tamburlain / Shall be my Regent, and remaine as King:c. 1587–1588 (date written), [Christopher Marlowe], Tamburlaine the Great. […] The First Part […], 2nd edition, part 1, London: […] [R. Robinson for] Richard Iones, […], published 1592, →OCLC...
    • I am his firſt borne ſonne, that vvas the laſt / That vvare the Imperiall Diademe of Rome, […]c. 1588–1593 (date written), [William Shakespeare], The Most Lamentable Romaine Tragedie of Titus Andronicus: […] (First Quarto), London: […] Iohn Danter, and are to be sold by Edward White & Thomas...
  3. Regal power; sovereignty; empire—considered as symbolized by the crown.
  4. An arch rising from the rim of a crown (rarely also of a coronet), and uniting with others over its centre.

Verb

diadem (third-person singular simple present diadems, present participle diademming or diademing, simple past and past participle diademmed or diademed)

  1. To adorn with a diadem; to crown.
    • The star of her destiny is the morning star of the new-born century. O’er the Golden Gate it glitters, diademming this youthful Queen of the Pacific in her robes of freedom gorgeously inlaid with gold.1902, Horace G. Platt, “California”, in Harr Wagner, editor, Notable Speeches by Notable Speakers of the Greater West, San Francisco, Calif.: The Whitaker and Ray Company (Incorporated), page 215
    • Paul cites as an example the Macedonian churches and mentions specifically several things about their liberality which adorn their grace and crown it with beauty as the lily work diademmed the pillars of the Temple.1920 January, G. J. Rousseau, “The Grace of Liberality”, in The Homiletic Review: An International Magazine of Religion, Theology, and Philosophy; Treats Every Phase of the Minister’s Work, volume...
    Antonyms:
    undiadem

diadem meaning in Tamil, Urdu, Malayalam and Kannada

diadem in Tamil

மணிமுடி, மகுடம், கிரீடம், முடி

diadem in Malayalam

crown, coronet, tiara
കിരീടം, മകുടം, ചൂഡാ, ചൂഡാമണി, പട്ടം, പട്ടി

diadem in Kannada

ಹಣೆಪಟ್ಟಿ, ತೊಂಡಿಲು
More languagesFewer languages
diadem in Sanskrit
किरीट kirīṭa, उष्णीष uṣṇī́ṣa
diadem in Tagalog
diyadema
diadem in Arabic
ديادم
diadem in Malay
bogam, mahkota
diadem in Persian
دیهیم deyhim

Examples of diadem in a sentence

  • The fever’d diadem on my brow / I claim’d and won usurpingly— / Hath not the same fierce heirdom given / Rome to the Caesar—this to me?1829, Edgar Allan Poe, “Tamerlane”, in Al Aaraaf, Tamerlane and Minor Poems:
  • butt (maomant scoffin, but apoxyomenously deturbaned but thems bleachin banes will be after making a bashman’s haloday out of the euphorious hagiohygiecynicism of his die and be diademmed).1939 May 4, James Joyce, Finnegans Wake, London: Faber and Faber Limited, →OCLC; republished London: Faber & Faber Limited, 1960, →OCLC...

Antonyms of diadem

Forms of diadem

Noun
pluraldiadems
alternative form (obsolete)diademe
Verb
third-person singular presentdiadems
present participlediademming
present participlediademing
past participlediademmed
pastdiademmed
past participlediademed
pastdiademed

Origin of diadem

From Middle English diademe, dyademe, from Old French diademe, from Latin diadēma, from Ancient Greek διάδημα (diádēma, “band, especially worn around a tiara”), from διαδέω (diadéō, “bind around”).

Words formed from diadem

Phrases with diadem

Words that rhyme with diadem

Questions about diadem

What does diadem mean?
Diadem means an ornamental headband worn as a badge of royalty.
What is diadem in Tamil?
Diadem in Tamil is மணிமுடி, மகுடம், கிரீடம். See Diadem meaning in Tamil.
How do you use diadem in a sentence?
The fever’d diadem on my brow / I claim’d and won usurpingly— / Hath not the same fierce heirdom given / Rome to the Caesar—this to me?
What part of speech is diadem?
Diadem can be a noun or a verb.
How do you pronounce diadem?
Diadem is pronounced /ˈdaɪ.əˌdɛm/.
What is the plural of diadem?
The plural of diadem is diadems.

Words near diadem in the dictionary

  1. diadectomorph
  2. diadectomorphs
  3. diadelphian
  4. diadelphous
  5. diadelphy
  6. diadem
  7. diadem monkey
  8. diadem monkeys
  9. diadem spider
  10. diadem spiders
  11. diadem'd

Source and license

Adapted from Wiktionary: diadem (page history and authors); diadem (Tamil Wiktionary) (page history and authors); diadem (Urdu Wiktionary) (page history and authors); diadem (Olam, E.K. Kurup corpus) (dataset and license); diadem (Kannada Wiktionary) (page history and authors); उष्णीष (Sanskrit) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-diadem.wav.

Cite this entry: “diadem.” Word.ws, https://word.ws/diadem. Based on Wiktionary, CC BY-SA 4.0.