otiose

1. serving no useful purpose; having no excuse for being;

"otiose lines in a play"

"advice is wasted words"

2. producing no result or effect;

"a futile effort"

"the therapy was ineffectual"

"an otiose undertaking"

"an unavailing attempt"

3. disinclined to work or exertion;

"faineant kings under whose rule the country languished"

"an indolent hanger-on"

"too lazy to wash the dishes"

"shiftless idle youth"

"slothful employees"

"the unemployed are not necessarily work-shy"