Unuseful vs. Useful

Unusefuladjective

Not useful; useless.

Usefuladjective

Having a practical or beneficial use.

Usefuladjective

Full of use, advantage, or profit; producing, or having power to produce, good; serviceable for any end or object; helpful toward advancing any purpose; beneficial; profitable; advantageous; as, vessels and instruments useful in a family; books useful for improvement; useful knowledge; useful arts.

Usefuladjective

being of use or service;

Usefuladjective

of great importance or use or service;

Usefuladjective

capable of being turned to use or account;

Usefuladjective

having a useful function;

Usefuladjective

able to be used for a practical purpose or in several ways

Usefuladjective

very able or competent in a particular area