" befouled "

1: not clean;

  * e.g., " ... given the task of cleaning the animals' befouled pens "

•  Synonyms : 

•  bedraggled,

•  begrimed,

•  bemired,

•  besmirched,

•  black,

•  blackened,

•  cruddy,

•  dingy,

•  dirty,

•  draggled,

•  dusty,

•  filthy,

•  foul,

•  grimy,

•  grotty,

•  grubby,

•  grungy,

•  mucky,

•  muddy,

•  nasty,

•  smudged,

•  smutty,

•  soiled,

•  sordid,

•  stained,

•  sullied,

•  unclean,

•  uncleanly

•  Antonyms : 

•  clean,

•  cleanly,

•  immaculate,

•  spick-and-span,

•  spotless,

•  stainless,

•  ultraclean,

•  unsoiled,

•  unstained,

•  unsullied

1: to make dirty;

  * e.g., " ... unsightly mud and slush befouls the family car every winter "

•  Synonyms : 

•  begrimed,

•  bemired,

•  besmirched,

•  blackened,

•  daubed,

•  dirtied,

•  distained,

•  fouled,

•  gaumed,

•  grimed,

•  mired,

•  mucked,

•  muddied,

•  smirched,

•  smudged,

•  soiled,

•  stained,

•  sullied

•  Antonyms : 

•  cleaned,

•  cleansed

2: to make unfit for use by the addition of something harmful or undesirable;

  * e.g., " ... the enemy had befouled the water in all of the area's wells with animal carcasses "

•  Synonyms : 

•  contaminated,

•  defiled,

•  fouled,

•  poisoned,

•  polluted,

•  tainted

•  Antonyms : 

•  decontaminated,

•  purified

1: to make dirty;

  * e.g., " ... unsightly mud and slush befouls the family car every winter "

•  Synonyms : 

•  begrime,

•  bemire,

•  besmirch,

•  blacken,

•  daub,

•  dirty,

•  distain,

•  foul,

•  gaum,

•  grime,

•  mire,

•  muck,

•  muddy,

•  smirch,

•  smudge,

•  soil,

•  stain,

•  sully

•  Antonyms : 

•  clean,

•  cleanse

2: to make unfit for use by the addition of something harmful or undesirable;

  * e.g., " ... the enemy had befouled the water in all of the area's wells with animal carcasses "

•  Synonyms : 

•  contaminate,

•  defile,

•  foul,

•  poison,

•  pollute,

•  taint

•  Antonyms : 

•  decontaminate,

•  purify