Ranked by relevance and common usage.
Keep "diadem" when the sentence already sounds natural, when a synonym would add unintended emphasis, or when readers need the most familiar wording. A synonym should clarify or sharpen the message, not simply make the sentence look more varied.
If two options seem close, choose the one that best matches the audience and purpose of the sentence.
Choose a synonym only if it keeps the core idea of "diadem" intact in the sentence you are editing.
Check whether the replacement sounds more formal, casual, emotional, technical, or forceful than the original word.
Read the full sentence after the swap. Keep the synonym only when the sentence becomes clearer or more precise.
Review note: Synonym lists are ranked with lexical data and reviewed for practical writing value. Use the comparison notes, sentence evidence, and source labels together; a high-ranking synonym can still be wrong when the audience, register, or grammar changes.
After choosing a replacement for "diadem", read the sentence once for meaning and once for rhythm. The best synonym should feel natural in the full sentence, not only accurate in a word list.
If the synonym makes the sentence slower, vaguer, or more dramatic than intended, keep "diadem" or choose a simpler alternative from the closest-match group.
OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.
12 total sentences available.
Therewith the royal sceptre, which of yore / Ilione, Priam's eldest daughter, bore; / her shining necklace, strung with costly beads, / and diadem, rimmed with gold and studded o'er / with sparkling gems. Thus charged, Achates heeds, / and towards the ships forthwith in eager haste proceeds.
Source: tatoeba (6798460)
In the deepest spot of all stands the castle of the Sea King. Its walls are built of coral, and the long Gothic windows are of the clearest amber. The roof is formed of shells that open and close as the water flows over them. Their appearance is very beautiful, for in each lies a glittering pearl which would be fit for the diadem of a queen.
Source: tatoeba (7077169)
Come and behold, daughters of Zion, King Solomon, with the diadem with which his mother crowned him on the day of his marriage, on the day of the joy of his heart.
Source: tatoeba (12411788)
The Apollon wing of the Louvre has a set of historic crowns, diadems and sovereign jewellery.
Source: wiktionary
Showing 4 of 12 available sentences.
Closest matches include crown, adorn, anklet, annular muscle, annulus.
Compare the replacement against real sentence context. This entry includes sample sentences so you can check tone, grammar, and meaning before swapping words.