snag

noun

1
an unforeseen obstacle
2
an opening made forcibly as by pulling apart
there was a rip in his pants
she had snags in her stockings
3
a dead tree that is still standing, usually in an undisturbed forest
a snag can provide food and a habitat for insects and birds
4
a sharp protuberance

Also useful for “snag”:Unscrambler— Turn loose letters into real words