useless

Definitions

Not fulfilling or expected to achieve the intended purpose or desired outcome.

Having no ability or skill in a particular activity or area.

Of no use; not serving any practical function.

Examples

It is useless to argue with someone who refuses to listen to reason.

The old computer was completely useless after the hard drive crashed.

Trying to fix the broken vase with tape proved to be a useless endeavor.

Synonyms

worthless futile pointless ineffectual vain fruitless unproductive

Antonyms

useful valuable effective productive helpful beneficial functional