Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
Menma died several years before the current time in the anime.
Source: https://www.cbr.com/anime-deaths-saddest-heartbreaking/
Together, they attempt to assist Menma and each other in moving on.