The phrase "time out of mind" is often used to describe something that has been forgotten or has existed for a very long time. Some synonyms for this phrase include "ages ago", "eons past", "long since", "forgotten era", "bygone era", "ancient times", "distant past", "time immemorial", and "prehistoric times". These phrases evoke a sense of nostalgia and a longing for the past. They are often used in literature and poetry to convey a sense of history and the passage of time. Whether we are referring to ancient civilizations or personal memories, these synonyms for "time out of mind" offer a glimpse into the past and a reflection on the present.