Definition of "Grave" :
noun: a place for the burial of a corpse (especially beneath the ground and marked by a tombstone)
"He put flowers on his mother's grave."
noun: a mark () placed above a vowel to indicate pronunciation
noun: death of a person
"He went to his grave without forgiving me."
verb: carve, cut, or etch into a material or surface
"Engrave a pen."
verb: shape (a material like stone or wood) by whittling away at it
adjective: causing fear or anxiety by threatening great harm
"A grave situation."
adjective: of great gravity or crucial import; requiring serious thought
adjective: dignified and somber in manner or character and committed to keeping promises
"A grave God-fearing man."