Following great explosions two forms of mental trouble have been found so frequently that other manifestations have become almost exceptional. These are mental confusion and delirious oneirism.
Source: wiktionary
Ranked by relevance and common usage.
Keep "oneirism" 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 "oneirism" 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 "oneirism", 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.
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2 total sentences available.
Following great explosions two forms of mental trouble have been found so frequently that other manifestations have become almost exceptional. These are mental confusion and delirious oneirism.
Source: wiktionary
With an almost imperceptible touch, the narrator connects up this oneirism of names with the premonitory signs of the vocation that Remebrance is said to recount.
Source: wiktionary
Closest matches include air castle, castle in spain, castle in the air, daydream, daydreaming.
Compare the replacement against real sentence context. This entry includes sample sentences so you can check tone, grammar, and meaning before swapping words.