What is the meaning of grave?

noun

• Death of a person.
  • usage: "he went to his grave without forgiving me"; "from cradle to grave"
• A place for the burial of a corpse (especially beneath the ground and marked by a tombstone. )
  • usage: "he put flowers on his mother's grave"
  • synonyms: tomb
• A mark (`) placed above a vowel to indicate pronunciation.
  • synonyms: grave accent

verb

• Shape (a material like stone or wood) by whittling away at it.
  • usage: "She is sculpting the block of marble into an image of her husband"
  • synonyms: sculpt, sculpture
• Carve, cut, or etch into a material or surface.
  • usage: "engrave a pen"; "engraved the trophy cupt with the winner's"; "the lovers scratched their names into the bark of the tree"
  • synonyms: scratch, engrave, inscribe

adjective

• Dignified and somber in manner or character and committed to keeping promises.
  • usage: "a grave God-fearing man"; "a quiet sedate nature"; "as sober as a judge"; "a solemn promise"; "the judge was solemn as he pronounced sentence"
  • synonyms: sedate, sober, solemn
• Causing fear or anxiety by threatening great harm.
  • usage: "a dangerous operation"; "a grave situation"; "a grave illness"; "grievous bodily harm"; "a serious wound"; "a serious turn of events"; "a severe case of pneumonia"; "a life-threatening disease"
  • synonyms: dangerous, grievous, serious, severe, life-threatening
• Of great gravity or crucial import; requiring serious thought.
  • usage: "grave responsibilities"; "faced a grave decision in a time of crisis"; "a grievous fault"; "heavy matters of state"; "the weighty matters to be discussed at the peace conference"
  • synonyms: grievous, heavy, weighty