In polite way 'muda desu' or 'muyou desu', less formal 'muda da'.
Another useless question
Kanjō WA muyōdesu.
Yakunitata nai
USELESS
You can say "inutile" to mean useless in French.
Another useless question
?
"Useless, Useless"
osama
bezpolezen..безполезен
you should say i went to the mall and bought a useless pair of shoes
economics is useless because it is based on assumptions made by economists............