To no avail Meaning and Definition

It means ineffective, having no use, no advantage. An attempt made but was not successful.

Unsuccessful

Ineffective

Fruitless

To no avail in a sentence with examples

The life jacket used by Sam was to no avail and he was to be rescued by the life guards present there.

The Australian team tried their best but all the efforts made by them were to no avail and they ended up losing the match.

The teacher tried valiently to console the Andy on failing in the subject but her efforts were to no avail.

It was of no avail to argue with the teacher as he was wrong.