Amphitheatres are usually unroofed.
Source: tatoeba (12356199)
Ranked by relevance and common usage.
Keep "unroofed" 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 "unroofed" intact in the sentence you are editing.
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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.
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If the synonym makes the sentence slower, vaguer, or more dramatic than intended, keep "unroofed" or choose a simpler alternative from the closest-match group.
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4 total sentences available.
Amphitheatres are usually unroofed.
Source: tatoeba (12356199)
Stone pillars had been raised, a number of them; they stood unroofed, forming a hall of pillars with only the heavens as ceiling, and on the plain beyond the sun was just rising, flaming red, over the edge of the world.
Source: wiktionary
The final stages will be the demolition next year of the remaining part of the steam Jubilee Shed and the removal of the great, unroofed coaling plant nearby (said to be the oldest in the country); the turntable is also to disappear.
Source: wiktionary
Every eye watched Baba Segi as he barged through the door of the unroofed pit latrine.
Source: wiktionary
Closest matches include bare, deroof, exposed, open to sky, outcropped.
Compare the replacement against real sentence context. This entry includes sample sentences so you can check tone, grammar, and meaning before swapping words.