SYN: Turn, series, order, succession, revolution, course, reversion, recurrence.
ANT: Simultaneity, perpetuity, constancy, non-intermittence, contemporaneousness.
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KEY: Rotten, [See PUTRID].
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KEY: Rotundity.
SYN: Roundness, convexity, circularity, sphericity, globosity, prominence, protuberance, intumescence.
ANT: Concavity, flatness, angularity.
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KEY: Rough.