ˈyüslə̇s adjective
Etymology: use (I) + -less
: having or being of no use : producing no good end : answering no desired purpose : ineffectual , inefficient , unserviceable
attempts … to sterilize the seawater at swimming beaches are useless because the seawater itself is a sterilizing agent — G.E. & Nettie MacGinitie
• use·less·ly adverb
• use·less·ness noun -es