[n] any backward region that is isolated from the world and resists progress
abjure, arrest, back, back away, back down, back off, back out, back stream, back up, backcountry, backflow, backpedal, backtrack, backtrail, backwash, backwoods, boondocks, brake, bush, Charybdis, check, climb down, clip the wings, countercurrent, counte