Find the antonym of the word: Fascinating

• Concept: The word 'fascinating' means something which is  so interesting.
  Option A:  Interesting means something which  increase interest or  curiosity.
  Option B: Boring means something which is not tedious or interesting.
  Option C: Enthusiastic menas having or showing eager or intense and enjoyment.
  Option D, attractive means to something appealing or pleasing to the senses.
  Therefore, boring is the antonym of the fascinating.

Hence, option B is the correct answer.