Her eyes scintillate with joy.
Source: tatoeba (6174420)
Ranked by relevance and common usage.
Keep "scintillate" 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 "scintillate" intact in the sentence you are editing.
Check whether the replacement sounds more formal, casual, emotional, technical, or forceful than the original word.
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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 "scintillate", 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 "scintillate" or choose a simpler alternative from the closest-match group.
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14 total sentences available.
Her eyes scintillate with joy.
Source: tatoeba (6174420)
Much interest appears to have been lately excited in England by Dr. Clarke's Experiments on the Blow-pipe, and the dangers of explosion attempted to be guarded against, by various contrivances. The following letter inserted in the Philosophical Magazine for December 1816, will show the importance attached to this interesting application of the gases in promoting fusion. […] 1. Platinum as thick as a stocking wire was instantly fused, scintillated, and fell into a large globule. 2. Palladium fused instantly and slightly scintillated.
Source: wiktionary
In fact, the whole place scintillated. Madame scintillated with combs and finery and jewellery behind the counter, mirrors innumerable scintillated behind Madame, whilst the ragtime scintillated from (as I discovered) a pianola […]
Source: wiktionary
The streets of Rangoon, wallowing in sun, flashed and scintillated with strolling crowds, skirted in their best silk longyis.
Source: wiktionary
Showing 4 of 14 available sentences.
Closest matches include sparkle, be brilliant, be merry with, blaze, blink.
Compare the replacement against real sentence context. This entry includes sample sentences so you can check tone, grammar, and meaning before swapping words.