Pointless.
I say that in more than one way.
That "quantum pendant" basically looks like a scam - in other words, they make it sound like something "scientific", but it won't have any effect, harmful or otherwise. In other words, it is probably harmless, but utterly useless.
Insulting words are words that hurt people internally like 'I hate you' or 'you are useless' can hurt you and make you feel sad, mad, frustrated... etc.
The group Faithless was a British electronica band whose most noteworthy video was from their single We Come One. The video can be seen on sites like YouTube and Muzu.
like the would will be useless
Carry on like an idiot on television. Absolutely useless.
By posting useless questions like that...
A vandal on facebook is someone who posts useless things, and annoys other facebook users. In other words, facebook vandals like to do annoying stuff to other people.
There are many symbols in programming that have no means but it used in programmig is called useless symbols. like- #$%^&*@()
Useless....for asking a question like that
It means something like 'useless idiot'.
The obvious answer is valuable. But it's an 8 letter word. Now, go to dictionary.com and look in thesaurus for the word "valuable" You'll find words like important, priceless, expensive, treasured, cherished which are all 9 letter words. Look which word fits right in the crossword puzzle. Hope this helps.
Reckless \ˈre-kləs\, like many words with the -less suffix, is pronounced with stress on the first syllable ie: RECK-less, SENSE-less, HOPE-less, etc.