1. to prevent someone from accomplishing something; to make efforts unsuccessful
2. to make someone feel upset or annoyed because they cannot achieve what they want

1. feeling or expressing distress and annoyance resulting from an inability to change or achieve something

Examples

• The heavy traffic frustrated our plans to arrive on time.
• Bad weather frustrated the rescue efforts.
• It frustrates me when my computer runs so slowly.
• She felt frustrated by her inability to solve the math problem.
• The frustrated customer demanded to speak with a manager.
• His frustrated attempts to fix the car left him exhausted.
• The team’s efforts were frustrated by poor communication.