There are many synonyms for the phrase "laying in grave," which can be used in various contexts. Some of these include "buried," "interred," "entombed," "sepulchred," "laid to rest," "in repose," "in eternal sleep," and "six feet under." All of these expressions convey the final resting place of a deceased person, and the notion that they will remain there indefinitely. While some of these phrases may be more commonly used than others, they all evoke a sense of solemnity and finality, reminding us of the importance of cherishing those we love while they are still with us.