To ensnarl is to tangle someone or something up in a complicated situation. You might accidentally ensnarl yourself in your best friend's argument with her parents.
When you become caught or stuck in a difficult circumstance, you might wonder how you managed to ensnarl yourself in it. Some people ensnarl themselves in their friends' problems, while others manage to ensnarl themselves is every workplace argument that comes up. Ensnarl comes from the verb snarl, "to tangle or catch in a noose," with its original fourteenth century meaning, "snare or noose."