The phrase "the great beyonds" refers to an unknown, mysterious place or realm beyond our world. It can also be used to describe death or the afterlife. There are many synonyms for this phrase depending on the context and tone of the sentence, including "afterworld," "otherworld," "netherworld," "realm of the dead," "eternity," "beyond the veil," "heaven," "hell," "the hereafter," and "the afterlife." Each of these synonyms carries its own connotations and associations, from the joy and peace of heaven to the terror and despair of hell. Whatever your beliefs or feelings about the great beyonds, there is likely a word that can capture them perfectly.