Pretension in appearance; looking overly done and distastefully adorned.(noun)
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Use "gaudiness" in a sentence
"The use of a little gum guacum in solution will be found occasionally advantageous; this gum is fairly hard and will lower the colour and prevent too much of an approach to gaudiness, that is, if a highly coloured varnish has been found necessary."
"Situating its apparent "gaudiness" well beyond any sense of what might constitute the aesthetically appropriate, Lewis's romance was denounced by Coleridge as a malevolent network of "libidinous minuteness," an intricate web which, once activated, articulated for even its most suspecting of readers a range of "powerful stimulants" and "meretricious attractions.""
"You were caterpillar-brained from the start and our gaudiness made you blush and stutter."