1. Literally, to growl at one in a vicious manner and with teeth bared. I knew not to approach the dog when it started snarling at me. The poor woman was so overcome by delirium that she actually snarled at the doctors and nurses.

2. To speak or respond to one in a particularly nasty or aggressive manner. She positively snarled at me when I suggested that she should take a break to focus on her kids. If you snarl at me like that again, I'm sending you straight to bed.

3. To utter something at one in a particularly nasty or aggressive manner. In this usage, a noun or pronoun is used between "snarl" and "at." He snarled his answer at me, so I knew not to push him any further. I got so sick of the coach snarling orders at us, so I quit the team.

1. To become entangled or knotted. I hate the way the cords always snarl up behind the television. The line snarls up if you reel it in too quickly.

2. To cause something become entangled or knotted (in something). In this usage, a noun or pronoun can be used between "snarl" and "up." I was standing too close to a tree when I cast my line and snarled it up in the branches. The child snarled up his mother's hair with the twisty toy.

3. To involve or entrap oneself or someone in something, such as an issue, problem, or scandal. In this usage, a noun or pronoun is used between "snarl" and "up." The best politicians choose their battles wisely—if you spend your time snarling yourself up in petty debates, you'll never get anything done. My brother has snarled me up with a number of lawsuits to keep me from accessing my late-father's estate.