-without a point.
"a pointless pen.'
-without force, meaning, or relevance:
"a pointless remark."
-without meaning, relevance, or force
"I tend to support protests, even pointless ones that cause some property damage"
-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."
e.g "It's pretty much useless to have a degree from a college that has closed."
useless - sth. is to no avail [i](de proveito), it won't bring about any useful results
pointless - sth. doesn't make sense, sth. is absurd [/i]