What is the meaning of otiose?

adjective

• Serving no useful purpose; having no excuse for being.
  • usage: "otiose lines in a play"; "advice is wasted words"; "a pointless remark"; "a life essentially purposeless"; "senseless violence"
  • synonyms: pointless, purposeless, senseless, superfluous, wasted
• Producing no result or effect.
  • usage: "a futile effort"; "the therapy was ineffectual"; "an otiose undertaking"; "an unavailing attempt"
  • synonyms: futile, ineffectual, unavailing
• Disinclined to work or exertion.
  • usage: "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"
  • synonyms: faineant, indolent, lazy, slothful, work-shy