1snag 
/ˈsnæg/ noun
plural snags /ˈsnæg/ noun [count] 1 : an unexpected problem or difficulty
▪ We hit a snag with our travel plans. = We ran into a snag with our travel plans. [=we had a problem with our travel plans] 2 : a sharp or broken part of something that sticks out from a smooth surface
▪ I caught my sleeve on a snag and tore it. 3 : a thread that sticks out from a piece of cloth
▪ My sweater has a snag where I caught it on a nail. 4 : a dead tree or tree stump that is still standing up
▪ After the fire, there were a few snags still smoldering.
▪ We hit a snag with our travel plans. = We ran into a snag with our travel plans. [=we had a problem with our travel plans]
▪ I caught my sleeve on a snag and tore it.
▪ My sweater has a snag where I caught it on a nail.
▪ After the fire, there were a few snags still smoldering.
