graving

adjective graver, gravest

1. 1. requiring serious thought; important; weighty: grave doubts
   2. not light or trifling in nature or in consequence; grievous: a grave sin
2. 1. seriously threatening health, well-being, or life; critical; dangerous: a grave illness
   2. seriously contrary to what is right or desirable; extremely bad: a grave fault
   3. Theol. so evil as to cause spiritual death; mortal: a grave sin
3. dignified and solemn or sedate in manner or mien
4. somber; dull: grave colors
5. low or deep in pitch