adverb
- in a way that produces no useful result; without success
Examples
- She searched unavailingly for her lost keys.
- The rescue team worked unavailingly through the night.
- He pleaded unavailingly with his boss for a raise.
- The protesters marched unavailingly against the new law.
- They tried unavailingly to repair the broken engine.
- The lawyer argued unavailingly for his client’s innocence.