adjective
- not successful; producing no useful result
Usage: formal
Examples
- Despite their unavailing efforts, the team lost the championship.
- Her unavailing attempts to reach him by phone left her frustrated.
- The rescue workers made unavailing searches through the rubble.
- His unavailing protests against the decision fell on deaf ears.
- The medicine proved unavailing against the rare disease.
- After hours of unavailing labor, they abandoned the project.