The Oxford Thesaurus An A-Z Dictionary of Synonyms - spotlessadj.

1) immaculate, clean, gleaming, shiny, polished, unspotted, spick and span: The floor is so spotless you could eat off it. 2 pure, unsullied, unassailable, flawless, faultless, untarnished, blameless, irreproachable: Samantha has a spotless reputation.