The quality or state of being baroque; excessive ornamentation, elaboration, or complexity in style or design.
From baroque plus -ness, the productive English suffix that converts adjectives into abstract nouns describing their quality. Compare: darkness, brightness, sadness.
The -ness suffix is English's most democratic way of creating nouns from adjectives—so productive that you could theoretically add it to almost any adjective, even made-up ones, and be understood.
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