useless

[ yoos-lis ]
/ ˈyus lɪs /

adjective

of no use; not serving the purpose or any purpose; unavailing or futile: It is useless to reason with him.
without useful qualities; of no practical good: a useless person; a useless gadget.

Origin of useless

First recorded in 1585–95; use + -less

SYNONYMS FOR useless

1 fruitless, profitless, valueless, worthless, inutile. Useless, futile, ineffectual, vain refer to that which is unavailing. That is useless which is unavailing because of the circumstances of the case or some inherent defect: It is useless to cry over spilt milk. Futile suggests wasted effort and complete failure to attain a desired end: All attempts were futile. That which is ineffectual weakly applies energy in an ill-advised way and does not produce a desired effect: an ineffectual effort. That which is vain is fruitless or hopeless even after all possible effort: It is vain to keep on hoping.
2 unserviceable, unusable.

OTHER WORDS FROM useless

use·less·ly, adverb use·less·ness, noun

Example sentences from the Web for useless

British Dictionary definitions for useless

useless
/ (ˈjuːslɪs) /

adjective

having no practical use or advantage
informal ineffectual, weak, or stupid he's useless at history

Derived forms of useless

uselessly, adverb uselessness, noun