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Re: While the muted colors do suggest a certain sobriety, the
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08 Oct 2017, 10:48
Explanation
In this case, sobriety means grave or serious, and you are looking for an antonym, something like happy or lively. Vivacious means “lively,” and mirthful means “full of joy.” These are correct answers. Dull and lackluster are the opposites of what you are looking for.
Hence options vivacious, mirthful are best fit!