noun🔗ShareAn ornamental headband worn as a badge of royalty."At her coronation, the new queen wore a glittering diadem, signifying her royal authority. "royalappearancestyleculturehistoryChat with AIVocabulary GamePractice Reading
noun🔗ShareA crown."The princess wore a shimmering diadem on her head at the royal ball. "royalappearancestyletitleChat with AIVocabulary GamePractice Reading
noun🔗ShareRegal power; sovereignty; empire—considered as symbolized by the crown."The queen's diadem represented her authority to rule the country. "royalgovernmentpoliticsnationhistoryChat with AIVocabulary GamePractice Reading
noun🔗ShareAn arch rising from the rim of a crown (rarely also of a coronet), and uniting with others over its centre."The queen's crown was magnificent, featuring a delicate diadem of interwoven gold arches rising from its jeweled rim to meet at the very top. "royalwearappearancestyleheraldryartChat with AIVocabulary GamePractice Reading
verb🔗ShareTo adorn with a diadem; to crown."The kindergarten teacher decided to diadem Lily with a paper crown for being the "Kindness Queen" of the week. "royalactionappearanceChat with AIVocabulary GamePractice Reading