[ dahy-uh-dem ]
See synonyms for diadem on Thesaurus.com
  1. a crown.

  2. a cloth headband, sometimes adorned with jewels, formerly worn by monarchs in Asia Minor and other parts of the East.

  1. royal dignity or authority.

verb (used with object)
  1. to adorn with or as if with a diadem; crown.

Origin of diadem

1250–1300; Middle English diademe (<Anglo-French ) <Latin diadēma<Greek diádēma fillet, band, equivalent to diadē- (verbid stem of diadeîn to bind round + -ma noun suffix

Words Nearby diadem

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use diadem in a sentence

British Dictionary definitions for diadem


/ (ˈdaɪəˌdɛm) /

  1. a royal crown, esp a light jewelled circlet

  2. royal dignity or power

  1. (tr) to adorn or crown with or as with a diadem

Origin of diadem

C13: from Latin diadēma, from Greek: fillet, royal headdress, from diadein to bind around, from dia- + dein to bind

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012