Without use or possibility to be used. (adjective)
Unhelpful, not useful; pointless (of an action). (adjective)
good-for-nothing; not dependable. (adjective)
unable to do well at a particular task or thing. Useless is mildly insulting. (adjective)
Examples of word useless
My reasons for this will show why I consider the term useless and muddled.
The moderate-conservative GOP leader considers the term useless, viewing it as a fifth-wheel after-thought approach to expanding the party's base.
Early in the siege, the governor of the town drove out what he called the useless mouths, to the number of seventeen hundred persons, men and women, young and old.
It's all laid out in that museum, in what you called useless junk.
On the floor of the long room was a large brasero in which the new librarian was burning up a quantity of what he described as useless and miscellaneous books, with a view to the rearrangement of the library.