IPA: /ˈɡɛrɪʃnəs/
KK: /ˈɡɛrɪʃnəs/
The quality of being very bright and showy in a way that is unpleasant or excessive.
The garishness of the decorations made the room feel overwhelming and uncomfortable.
Garishness → It is formed from "garish" (of uncertain origin, possibly from Middle English *garish*, meaning excessively bright or showy) and the suffix "-ness" (meaning the state or quality of). The word "garishness" refers to the quality of being excessively bright or showy, often in a way that is considered unpleasant or gaudy.
Think of something that is excessively bright or showy, which is what 'garish' means, and remember that 'garishness' describes the quality of being that way.