v.1. To mix something together or intertwine it in a confused mass; snarl something: I accidentally tangled that rope up with the others. You've tangled up all the paper clips and now I can't separate them. The telephone cord is tangled up in a knot.
2. To catch and hold something in or as if in a net; entrap something: The children tangled the kite up in the branches. I tangled up the fishing lure as I was pulling it through the weeds. A dolphin became tangled up in the fishing net.
3. To involve someone in awkward or unsavory circumstances. Used chiefly in the passive: How did a good kid like you get tangled up with criminals? No politician would want to be tangled up in this sordid affair.