English to English

noun (n)

• someone who is morally reprehensible(noun.person)

  Synonym:
  blackguard, cad, dog, heel, hound
  

  source: wordnet30
• someone who bounds or leaps (as in competition)(noun.person)

  Synonym:
  leaper
  

  source: wordnet30
• One who, or that which, limits; a boundary.(noun)

  source: webster1913