KEY: Levigate.
SYN: Comminute, triturate, pulverize, smooth, polish, plane.
ANT: Compound, amalgamate, indent, roughen, batter.
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KEY: Levity.
SYN: Lightness, frivolity, inconstancy, flightiness, vanity, thoughtlessness.
ANT: Earnestness, gravity, seriousness.
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KEY: Levy.
SYN: Raise, impose, muster, exact.