What is another word for in grave?
Pronunciation: [ɪn ɡɹˈe͡ɪv] (IPA) 
The phrase "in grave" is often used to describe a serious or solemn situation, particularly when referring to the death or mourning of someone. There are other words that can be used as synonyms to convey a similar sentiment. For example, the word "solemn" indicates a serious sense of gravity and importance. Similarly, the phrase "in mourning" is often used in reference to someone who has passed away. Other alternative words might include "tragic," "grievous," or "serious". Each of these words suggests a sense of weight and significance that is appropriate in expressing a deep sense of loss or mourning.
