1. preconceived opinions or biases; prejudgments formed before having full information
Usage: usually plural; formal
2. a favorable impression or liking formed in advance; a predisposition to favor something
Usage: usually plural; archaic or literary

Examples

• The jury was instructed to set aside their prepossessions and judge the case solely on evidence.
• Her prepossessions against modern art prevented her from appreciating the exhibition.
• We must examine our own prepossessions before we can fairly evaluate a new idea.
• The researcher's prepossessions about the outcome may have influenced the study's design.
• Despite his prepossessions in favor of traditional methods, he remained open to innovation.
• Cultural prepossessions often shape how we interpret unfamiliar customs.
• The committee tried to minimize prepossessions by using blind review processes.