"Wast gone" is an archaic way of saying "was gone" or "had gone." There are numerous synonyms for this English phrase that can be used to modernize its usage in writing or speech. Some of the alternatives to "wast gone" include "had departed," "had vanished," "had left," "had elapsed," "had disappeared," "had passed," "had receded," "had dissipated," "had evaporated," "had faded," and "had expired." The synonym chosen depends on the context in which it is being used. By incorporating these various alternatives, writers or speakers can add depth and variety to their language while avoiding the antiquated phrasing of "wast gone".