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Definition of diadem
diadem
/ˈdaɪ.ə.dɛm/
di · a · dem
Plural:diadems
•Past Simple:diademed
•Past Participle:diademed
•Present Participle:diademing
diadem Lexical Profile
CEFR
C1
Grade
10
Tier
2
Usage
Rare
diadem Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
A jeweled crown or headband worn as a symbol of sovereignty.
Example
"The queen emerged onto the balcony, her intricate diamond diadem sparkling in the afternoon sun."
2
Royal dignity or authority.
Example
"The ambitious duke sought not just the title, but the very diadem of the kingdom."
Synonyms
View all synonyms for diadem• verb
1
To adorn with or as if with a diadem; to crown.
Example
"The majestic mountain peak was diademed with glistening white snow."
Synonyms
View all synonyms for diadem• Rhymes for diadem
• Nearby Words
Word Origin & Etymology
From Latin 'diadema', derived from Greek 'diadēma' (fillet, headband), which comes from 'diadein' (to bind around), composed of 'dia-' (across, through) and 'dein' (to bind).
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Diadem. In Wordmom Dictionary. Retrieved Oct 16, 2026, from https://wordmom.com/dictionary/diadem