1. the quality or state of being trusting; a tendency to believe in the honesty and reliability of others

Examples

• Her trustingness made her vulnerable to scams.
• The child’s natural trustingness was both endearing and concerning to his parents.
• His trustingness in business partners had led to several failed ventures.
• The therapist noted the patient’s lack of trustingness stemmed from past betrayals.
• Despite repeated disappointments, she maintained her trustingness in people.
• The elderly woman’s trustingness made her an easy target for fraudsters.