" unstained "

1: free from dirt or stain;

  * e.g., " ... you should be wearing a tie, preferably an unstained one "

•  Synonyms : 

•  antiseptic,

•  chaste,

•  clean,

•  fair,

•  immaculate,

•  pristine,

•  spick-and-span,

•  spotless,

•  squeaky-clean,

•  stainless,

•  unsoiled,

•  unsullied

•  Antonyms : 

•  besmirched,

•  dirty,

•  filthy,

•  foul,

•  grubby,

•  smirched,

•  soiled,

•  spotted,

•  stained,

•  sullied,

•  unclean,

•  uncleaned

2: lacking an addition of color;

  * e.g., " ... bought an unstained picnic table that they planned to finish themselves "

•  Synonyms : 

•  colorless,

•  tintless,

•  uncolored,

•  undyed,

•  unpainted,

•  white

•  Antonyms : 

•  colored,

•  colorized,

•  dyed,

•  hued,

•  painted,

•  pigmented,

•  stained,

•  tinct,

•  tinctured,

•  tinged,

•  tinted