Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun diadem

1 sense of diadem

Sense 1
crown, diadem -- (an ornamental jeweled headdress signifying sovereignty)
       => jewelled headdress, jeweled headdress -- (a headdress adorned with jewels)
       => crown jewels -- (regalia (jewelry and other paraphernalia) worn by a sovereign on state occasions)