(a.) Without fault; not defective or imperfect; free from blemish; free from incorrectness, vice, or offense; perfect; as, a faultless poem.

OK absolute accurate all right angelic beyond all praise blameless chaste childlike clean clear correct dead right defectless dovelike entire errorless exemplary exquisite flawless foolproof guiltless ideal immaculate impeccable in the clear incorrupt inculpable indefectible indefective infallible innocent intact irreproachable just just right lamblike letter-perfect meticulous not guilty offenseless okay peerless perfect prelapsarian pristine proper pure reproachless right sans reproche sinless spotless stainless straight straight-up-and-down taintless unadulterated unblemished uncontaminated uncorrupted undefiled unfallen unfaultable unimpeachable unlapsed unmixed unspotted untainted untouched by evil whole with clean hands without reproach