A penumbral lunar eclipse can be hard to see.
Source: tatoeba (5565241)
Ranked by relevance and common usage.
Keep "penumbral" 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.
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Choose a synonym only if it keeps the core idea of "penumbral" 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 "penumbral", 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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5 total sentences available.
A penumbral lunar eclipse can be hard to see.
Source: tatoeba (5565241)
Relatedly, there are Fine's penumbral connections which reflect logical relations between indefinite sentences. He claims that, regarding a borderline red-pink blob, we are obliged to respect the truth of 'if the blob is to be red then it is not to be pink.'
Source: wiktionary
This would be the most far-reaching penumbral interpretation of the right to security, and might be called the "capabilities-based" interpretation. We have a right to security, in this view, because we have a right to live the "fully human" life such security in part ensures.
Source: wiktionary
The meaning of the term 'preventive or enforcement action' has prompted considerable discussion. Given the lack of practice under Art. 5, the depth and detail of this debate may be surprising. As will be shown, the core meaning of the term seems clear enough, and while there are some doubts about the penumbral meaning, the Organization's unwillingness or inability to apply Art. 5 means that this is unlikely to be particularly relevant.
Source: wiktionary
Showing 4 of 5 available sentences.
Closest matches include dim, shaded, shadowed, shadowy, shady.
Compare the replacement against real sentence context. This entry includes sample sentences so you can check tone, grammar, and meaning before swapping words.