Copiosity is defined as an excessive or abundant supply of something, particularly wealth or resources. Some synonyms for this word include affluence, abundance, opulence, prosperity, wealth, and richness. Other words that can be used in place of copiosity include plenitude, bounty, profusion, plethora, plethora, luxuriance, and exuberance. These words all describe a surplus or abundance of something, whether it be tangible or intangible. When writing or speaking about copiosity, it is essential to select the appropriate synonym for the context and tone of the message you want to convey.