1. heavy; weighty; much
  2. difficult
  3. serious; grave
  4. severe
  5. important, significant
  6. to value; to uphold; to emphasize



  1. to pile one upon another
  2. to repeat; to duplicate
  3. layers
  4. double; manifold



You should go to see the doctor before your cold gets worse.

Your intestine is a very important organ.

A healty body is very important.