snag
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noun 1a. a tree or branch held fast in a river or lake, especially below the surface. Snags are dangerous to boats.
Ex. It required all his attention and skill ... to pilot her clear of sand bars and snags, or sunken trees (Washington Irving).
snag
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snag, noun, verb, snagged,snagging.
snag
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v.i. to run into a snag.
Ex. (Figurative.) Talks snagged on fringe issues (Wall Street Journal).
snag
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v.t. 1. to run or catch on a snag.
Ex. He snagged his sweater on a nail.
2. (Figurative.) to hinder; block as if with a snag.
Ex. The refugee issue had snagged treaty discussions (New York Times).
(SYN) clog, obstruct.
3.