English to English

noun (n)

• a particularly baffling problem that is said to have a correct solution

  terutama bingung masalah itu dikatakan telah pasti ada solusi

  Example:
  That's a real puzzler.
  

  Synonym:
  mystifier, puzzle, teaser
  

  source: wordnet30
• One who, or that which, puzzles or perplexes.

  satu yang, atau itu yang, teki atau perplexes.

  source: webster1913