gnaw

Think of a puppy with a favorite bone. It means to bite or chew on something again and again, usually slowly and steadily. But it is not only about teeth. A worry can gnaw at your mind, meaning it keeps bothering you. Squirrels do it to nuts, beavers do it to wood, and fear or guilt can do it to your peace of mind.

The word often suggests something that keeps working away over time and may cause damage little by little. Hunger can also gnaw at you until you eat. Writers often use the word for feelings that seem to bite at a person from the inside and will not leave them alone.

To gnaw means to bite or chew on something persistently, usually using the teeth. It often implies a slow, steady action, like a rodent working on a tough object. For example: "The dog gnawed on the bone for hours," or "Beavers gnawed through the tree trunk."

However, "gnaw" is not limited to physical chewing. It can also describe a persistent and troubling feeling. A worry or fear might gnaw at someone's mind or conscience, meaning it keeps bothering them and will not go away. "Guilt began to gnaw at her after she lied" suggests that the feeling stayed with her and kept troubling her.

The word carries a sense of something wearing away gradually, whether it is wood, bone, or peace of mind. It implies a slow but determined process that can be destructive over time. You can even use it more broadly for something that slowly eats away at a surface or a person's calm.

Historically, "gnaw" comes from Old English words relating to chewing and grinding. It's a visceral word, evoking the image of teeth working tirelessly on something—whether it's a tasty treat or a nagging concern. So, if something is being chewed on persistently, or a feeling is bothering you relentlessly, chances are it's gnawing away.