Garishnesses refer to the visual quality of being excessively bright, flashy or showy. Synonyms for garishnesses include gaudiness, flamboyance, ostentation, flashiness, and kitsch. These words all describe a sense of excessive, often tasteless, extravagance in style or appearance. Other possible synonyms for garishnesses include bombast, grandiosity, theatricality, and glitz. While these words may be used to convey a similar idea as garishnesses, it is important to consider the context and tone in which they are used. Using the appropriate synonym can enhance the precision and nuance of your writing or speech.