Words similar to useless

Example sentences for: useless

How can you use “useless” in a sentence? Here are some example sentences to help you improve your vocabulary:

For the casual user, they might not be important, but their absence makes the book virtually useless for the serious researcher.
"The experiments were useless."
In the present case, ACTUALLY is such a loosely used “filler” word in the language (like really , I mean , y'know , etc.) as to be almost useless as a substitute (except “literally”).
Of course, these numbers don't prove the ads were useless.
When I was in college (when ice covered the earth), I unfortunately became known as the girl who thought she was working for St. Nuclear and His Policy and bragged that she was tackling James Joyce's "Useless."