资料来源 : pyDict

不必要的,怠惰的,没有用的,多余的

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Otiose \O"ti*ose`\, a. [L. otiosus, fr. otium ease.]
   Being at leisure or ease; unemployed; indolent; idle.
   ``Otiose assent.'' --Paley.

         The true keeping of the Sabbath was not that otiose and
         un?rofitable cessation from even good deeds which they
         would enforce.                           --Alford.

资料来源 : WordNet®

otiose
     adj 1: serving no useful purpose; having no excuse for being;
            "otiose lines in a play"; "advice is wasted words"
            [syn: {pointless}, {superfluous}, {wasted}]
     2: producing no result or effect; "a futile effort"; "the
        therapy was ineffectual"; "an otiose undertaking"; "an
        unavailing attempt" [syn: {futile}, {ineffectual}, {unavailing}]
     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" [syn: {faineant}, {indolent}, {lazy}, {slothful},
         {work-shy}]