Backwater

n.	1.	Water turned back in its course by an obstruction, an opposing current, or the flow of the tide, as in a sewer or river channel, or across a river bar.
	2.	An accumulation of water overflowing the low lands, caused by an obstruction.
	3.	Water thrown back by the turning of a waterwheel, or by the paddle wheels of a steamer.

Noun	1.	backwater - a body of water that was created by a flood or tide or by being held or forced back by a dam; "the bayous and backwaters are breeding grounds for mosquitos"
	2.	backwater - any backward region that is isolated from the world and resists progress

Charybdis, Maelstrom, 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, check, climb down, clip the wings, countercurrent, counterflow, counterflux, countermarch, crawfish out, cry off, curb, decelerate, delay, deny, detain, disavow, disclaim, disown, dodge, draw rein, duck, ease off, ease up, eat crow, eat humble pie, eddy, elude, evade, forswear, get around, go astern, go into reverse, gulf, gurge, hinterland, hold back, hold in check, hold up, impede, keep back, let down, let up, lose ground, lose momentum, lose speed, maelstrom, make sternway, moderate, obstruct, recant, reef, refluence, reflux, regurgitation, rein in, relax, renege, renounce, repudiate, resile, retard, retract, reverse, revoke, set back, shirk, sidestep, slack off, slack up, slacken, slow, slow down, slow up, stay, sticks, swallow, swirl, take back, take in sail, throttle down, twirl, unsay, up-country, vortex, welsh, whirl, whirlpool, withdraw