资料来源 : pyDict

无用的,琐细的,无效果的

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

Futile \Fu"tile\ (?; 277), a. [L. futilis that easily pours out,
   that easily lets loose, vain, worthless, from the root of
   fundere to pour out: cf. F. futile. See {Fuse}, v. t.]
   1. Talkative; loquacious; tattling. [Obs.]

            Talkers and futile persons.           --Bacon.

   2. Of no importance; answering no useful end; useless; vain;
      worthless. ``Futile theories.'' --I. Taylor.

            His reasoning . . . was singularly futile.
                                                  --Macaulay.

资料来源 : WordNet®

futile
     adj 1: producing no result or effect; "a futile effort"; "the
            therapy was ineffectual"; "an otiose undertaking"; "an
            unavailing attempt" [syn: {ineffectual}, {otiose}, {unavailing}]
     2: unproductive of success; "a fruitless search"; "futile years
        after her artistic peak"; "a sleeveless errand"; "a vain
        attempt" [syn: {bootless}, {fruitless}, {sleeveless}, {vain}]