资料来源 : pyDict

无错误的,无缺点的,无可指责的

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

Faultless \Fault"less\, a.
   Without fault; not defective or imperfect; free from blemish;
   free from incorrectness, vice, or offense; perfect; as, a
   faultless poem.

         Whoever thinks a faultless piece to see, Thinks what
         ne'er was, nor is, nor e'er shall be.    --Pope.

   Syn: Blameless; spotless; perfect. See {Blameless}. --
        {Fault"less*ly}, adv.-{Fault"less*ness}, n.

资料来源 : WordNet®

faultless
     adj : without fault or error; "faultless logic"; "speaks
           impeccable French"; "timing and technique were
           immaculate"; "an immaculate record" [syn: {immaculate},
            {impeccable}]