useless, worthless, unconstructive, unhelpful...
This could be dysfunctional, disadvantageous, disposable, dispensable, defunct, discarded, doomed, dead.
useless
to reduce (an object) to useless fragments, a useless form,or remains, as by rending, burning, or dissolving; injurebeyond repair or renewal; demolish; ruin; annihilate. to put an end to; extinguish. to kill; slay. to render ineffective or useless; nullify; neutralize;invalidate. to defeat completely.
The word trivial means "useless". So a trivial set would be a useless set.
useless, needless
Futile, useless, egotistical
useless, worthless, unconstructive, unhelpful...
ineffective, in vain, ineffectual, useless, futile.
Useless is another word for ineffective. Additional synonyms include inadequate, powerless, futile and unproductive.
Another word for the adjective unnecessary is unneeded. Additional synonyms are superfluous, useless, worthless, dispensable, inessential, and not required.
· repulsive · revolting · roguish
Futile means hopeless useless and determine to give up.
useless>pointless
The opposite word for useful is "useless".
The verb in, "the papers are useless to you" is the word "are".
This makeup is useless to me.