1. the act of making unrealistic or excessive promises
Usage: gerund form

1. making promises that are unrealistic or impossible to keep
Usage: present participle of overpromise

Examples

• The politician was accused of overpromising during the campaign.
• Companies often struggle with overpromising to customers and underdelivering.
• His habit of overpromising made colleagues lose trust in his commitments.
• The startup’s overpromising to investors led to serious problems later.
• She learned to avoid overpromising after missing several important deadlines.
• Overpromising is a common mistake among new project managers.
• The team’s overpromising resulted in disappointed clients and stressed employees.