1. the quality or state of being partial; bias or favoritism toward one side or person
Usage: often used in formal or academic contexts
2. the quality of being incomplete or affecting only part of something

Examples

• The judge was criticized for the partialness of her ruling in favor of the wealthy defendant.
• His partialness toward his oldest son was evident in how he distributed the inheritance.
• The partialness of the data made it difficult to draw reliable conclusions.
• We must strive to overcome our partialness and evaluate all candidates fairly.
• The report's partialness toward one political viewpoint undermined its credibility.
• The partialness of the recovery meant that some regions still struggled economically.