- a dangerous operation.
-  a grave God-fearing man.
-  a grave illness.
-  a grave situation.
-  a grievous fault.
-  a life-threatening disease.
-  a quiet sedate nature.
-  a serious turn of events.
-  a serious wound.
-  a severe case of pneumonia.
-  a solemn promise.
-  as sober as a judge.
-  engrave a pen.
-  engraved the trophy cup with the winner's name.
-  faced a grave decision in a time of crisis.
-  from cradle to grave.
-  grave responsibilities.
-  grievous bodily harm.
-  he put flowers on his mother's grave.
-  he went to his grave without forgiving me.
-  heavy matters of state.
-  She is sculpting the block of marble into an image of her husband.
-  the judge was solemn as he pronounced sentence.
-  the lovers scratched their names into the bark of the tree.
-  the weighty matters to be discussed at the peace conference.