1. things that are assumed to be true without proof
Usage: plural of presumption
2. acts of behaving in an arrogant or overconfident manner
Usage: plural of presumption

Examples

• The detective’s presumptions about the case proved to be incorrect.
• We should not make presumptions about people based on their appearance.
• His presumptions about getting the promotion were unfounded.
• The lawyer challenged the court’s presumptions regarding the evidence.
• Her presumptions in speaking for the entire group annoyed everyone.
• Such presumptions of authority are inappropriate in this situation.
• The study was based on several questionable presumptions about human behavior.