1. the quality or state of being disparate; fundamental difference or lack of similarity between things
Usage: formal; abstract noun

Examples

• The disparateness of their backgrounds made communication difficult at first.
• The report highlighted the disparateness between urban and rural healthcare access.
• Despite the disparateness of their opinions, they found common ground on the main issue.
• The disparateness of the data sources raised questions about the study's validity.
• She was struck by the disparateness of the two cultures she was studying.
• The disparateness in quality between the two products was immediately obvious.