"Back o beyonds" is an idiomatic expression used to describe remote, isolated, or rural locations. Some synonyms for this phrase are "boondocks," "the sticks," "the middle of nowhere," "the boonies," "the outback," "the wilderness," "the hinterland," "the backcountry," "the wilds," and "the backwoods." All of these words capture the idea of being far from civilization, often with limited access to modern amenities. Whether you're discussing a remote cabin, a small farming town, or a desolate stretch of wilderness, these synonyms can help add color and depth to your descriptions. Just be sure to choose the right word to match the specific tone and setting of your writing.